-83.77, 9.76: 501 Treatments

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Coniceromyia numerosa   sp. nov.  Ament, Danilo César, Kung, Giar-Ann & Brown, Brian V., 2020, Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus, Zootaxa 4830 (1), pp. 1-61 : 29-30 29-30
Dohrniphora jalizanoi   sp. nov.  Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 92 92
Ummidia varablanca   sp. nov.  Godwin, Rebecca L. & Bond, Jason E., 2021, Taxonomic revision of the New World members of the trapdoor spider genus Ummidia Thorell (Araneae, Mygalomorphae, Halonoproctidae), ZooKeys 1027, pp. 1-165 : 1 1
Miconia alboglandulosa   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 46-49 46-49
Mucuna tapantiana     De, Tânia M., Lewis, Gwilym P., Mansano, Vidal F. & Tozzi, Ana M. G. A., 2018, A revision of the neotropical Mucuna species (Leguminosae-Papilionoideae), Phytotaxa 337 (1), pp. 448-450 : 448-450 448-450
Lindsaea mesoamericana   sp. nov.  Rojas-Alvarado, Alexander Francisco & Tejero-Díez, José Daniel, 2017, Novelties and notes in Lindsaea (Lindsaeaceae) from Mexico and Central America, Phytotaxa 296 (2), pp. 147-160 : 152-157 152-157
Embates polymorphus subsp. altrimsecus   subsp. nov.  Prena, Jens, 2005, The Middle American species of Embates Chevrolat (Coleoptera: Curculionidae: Baridinae), Zootaxa 1100 (1), pp. 1-151 : 1-151 1-151
Platyacarus picumnus   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 18-21 18-21
Proctophyllodes arremoni   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 82-85 82-85
Nycteridocaulus myioborus   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 45-49 45-49
Nycteridocaulus leptopogoni   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 37-41 37-41
Embates todillofasciatus   sp. nov.  Prena, Jens, 2005, The Middle American species of Embates Chevrolat (Coleoptera: Curculionidae: Baridinae), Zootaxa 1100 (1), pp. 1-151 : 1-151 1-151
Myrsidea meyi     Kolencik, Stanislav, Sychra, Oldrich, Papousek, Ivo, Kuabara, Kamila M. D., Valim, Michel P. & Literak, Ivan, 2018, New species and additional data on the chewing louse genus Myrsidea (Phthiraptera: Menoponidae) from wild Neotropical Passeriformes (Aves), Zootaxa 4418 (5), pp. 401-431 : 409-410 409-410
Platyacarus sclerurus   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 22-25 22-25
Proctophyllodes strictophyllus   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 94-98 94-98
Platyacarus caulifer   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 26-30 26-30
Myrsidea leptopogoni   sp. nov.  Kolencik, Stanislav, Sychra, Oldrich, Papousek, Ivo, Kuabara, Kamila M. D., Valim, Michel P. & Literak, Ivan, 2018, New species and additional data on the chewing louse genus Myrsidea (Phthiraptera: Menoponidae) from wild Neotropical Passeriformes (Aves), Zootaxa 4418 (5), pp. 401-431 : 427 427
Anisophyllodes pipromorphae     Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 71-75 71-75
Proctophyllodes thraupis     Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 94 94
Proctophyllodes vesicularis   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 89-93 89-93
Myrsidea olivacei     Kolencik, Stanislav, Sychra, Oldrich, Papousek, Ivo, Kuabara, Kamila M. D., Valim, Michel P. & Literak, Ivan, 2018, New species and additional data on the chewing louse genus Myrsidea (Phthiraptera: Menoponidae) from wild Neotropical Passeriformes (Aves), Zootaxa 4418 (5), pp. 401-431 : 428 428
Anisophyllodes cuneiformis   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 67-71 67-71
Platyacarus dendrocolapti   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 13-17 13-17
Platyacarus sittasomi     Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 17 17
Diproctophyllodes dielytra     Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 81 81
Nycteridocaulus attila   sp. nov.  Mironov, Sergey V., Literak, Ivan, Sychra, Oldrich & Capek, Miroslav, 2017, Feather mites of the subfamily Proctophyllodinae (Acari: Proctophyllodidae) from passerines (Aves: Passeriformes) in Costa Rica, Zootaxa 4297 (1), pp. 1-105 : 61-65 61-65
Ummidia rugosa     Godwin, Rebecca L. & Bond, Jason E., 2021, Taxonomic revision of the New World members of the trapdoor spider genus Ummidia Thorell (Araneae, Mygalomorphae, Halonoproctidae), ZooKeys 1027, pp. 1-165 : 1 1
Megalopinus ineptus     Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 780 780
Osoriellus pubicollis   sp. nov.  Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 246-247 246-247
Trechnites merops     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 569-570 569-570
Diglyphomorphomyia carinifer   sp. nov.  Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 325-326 325-326
Myrmelachista joycei   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 25-28 25-28
Coccidencyrtus fescus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 113-115 113-115
Grotiusomyia pilosa   sp. nov.  Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 56 56
Cercobelus adrastea   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 613-614 613-614
Closterocerus crinitus   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 42-43 42-43
Cercobelus isara     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 614-615 614-615
Esphora cyllene   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 675-677 675-677
Banyallarga (Histricoverpa) tapanti   sp. nov.  Prather Table Of Contents, Aysha L., 2004, Revision of the Neotropical caddisfly genus Banyallarga (Trichoptera: Calamoceratidae), Zootaxa 435 (1), pp. 1-76 : 33-34 33-34
Microsargane (Microtholia) ios   sp. nov.  Andrew Hamilton, K. G., 2016, Neotropical spittlebugs related to Neaenini (Hemiptera, Cercopidae) and the origins of subfamily Cercopinae, Zootaxa 4169 (2), pp. 201-250 : 216-217 216-217
Eleusis breviceps     Irmler, Ulrich, 2017, The Neotropical species of the genus Eleusis LAPORTE, 1835 with description of the new genus Eleusima (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 67 (2), pp. 275-318 : 289-290 289-290
Xylocopa (Neoxylocopa) fimbriata     Mérida-Rivas, Jorge A., Hinojosa-Díaz, Ismael A., Ayala-Barajas, Ricardo, Pozo, Carmen & Vandame, Rémy, 2022, Revision of carpenter bees of the subgenus Neoxylocopa Michener (Hymenoptera: Apidae) from Mexico and Mesoamerica, Zootaxa 5158 (1), pp. 1-67 : 7-16 7-16
Mortoniella tapanti   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 60-62 60-62
Mortoniella carinula   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 22-24 22-24
Pescolinus     Chani-Posse, Mariana, Newton, Alfred F., Hansen, Aslak Kappel & Solodovnikov, Alexey, 2018, Checklist and taxonomic changes for Central and South American Philonthina (Coleoptera: Staphylinidae), Zootaxa 4449 (1), pp. 1-95 : 57-58 57-58
Perittonannus   gen. nov.  Weirauch, Christiane, Knyshov, Alexander & Hoey-Chamberlain, Rochelle, 2020, Four new genera of Schizopteridae (Hemiptera: Heteroptera) from theAfrotropical and Neotropical regions, Zootaxa 4768 (1), pp. 95-111 : 106-110 106-110
Eleusis bicolor     Irmler, Ulrich, 2017, The Neotropical species of the genus Eleusis LAPORTE, 1835 with description of the new genus Eleusima (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 67 (2), pp. 275-318 : 294-296 294-296
Diochus perplexus     Irmler, Ulrich, 2017, A review of the Neotropical genus Diochus ERICHSON, 1840 (Coleoptera: Staphylinidae: Staphylininae), Beiträge Zur Entomologie = Contributions to Entomology 67 (1), pp. 1-62 : 41-55 41-55
Eleusis elongata   sp. nov.  Irmler, Ulrich, 2017, The Neotropical species of the genus Eleusis LAPORTE, 1835 with description of the new genus Eleusima (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 67 (2), pp. 275-318 : 296-297 296-297
Eleusis scita     Irmler, Ulrich, 2017, The Neotropical species of the genus Eleusis LAPORTE, 1835 with description of the new genus Eleusima (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 67 (2), pp. 275-318 : 291-293 291-293
Enaphalodes antonkozlovi   sp. nov.  Lingafelter, Steven W. & Santos-Silva, Antonio, 2018, New Central American and Mexican Enaphalodes Haldeman, 1847 (Coleoptera: Cerambycidae) with taxonomic notes and a key to species, Papéis Avulsos de Zoologia 58, pp. 1-17 : 2-4 2-4
Diochus schuelkei   sp. nov.  Irmler, Ulrich, 2017, A review of the Neotropical genus Diochus ERICHSON, 1840 (Coleoptera: Staphylinidae: Staphylininae), Beiträge Zur Entomologie = Contributions to Entomology 67 (1), pp. 1-62 : 16-18 16-18
Osoriellus debilis   comb. nov.  Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 264-266 264-266
Helochares (Hydrobaticus) championi     Short, Andrew Edward Z. & Girón, Jennifer C., 2018, Review of the Helochares (Hydrobaticus) MacLeay of the New World (Coleoptera: Hydrophilidae: Acidocerinae), Zootaxa 4407 (1), pp. 29-50 : 34-36 34-36
Xylocopa (Neoxylocopa) frontalis     Mérida-Rivas, Jorge A., Hinojosa-Díaz, Ismael A., Ayala-Barajas, Ricardo, Pozo, Carmen & Vandame, Rémy, 2022, Revision of carpenter bees of the subgenus Neoxylocopa Michener (Hymenoptera: Apidae) from Mexico and Mesoamerica, Zootaxa 5158 (1), pp. 1-67 : 17-22 17-22
Syscia ticomontana   sp. nov.  Longino, John T. & Branstetter, Michael G., 2021, Integrating UCE Phylogenomics With Traditional Taxonomy Reveals a Trove of New World Syscia Species (Formicidae: Dorylinae), Insect Systematics and Diversity 5 (2), No. 2, pp. 1-51 : 36-37 36-37
Buzyges mellanaformis   sp. nov.  Austin, George T. & Warren, Andrew D., 2009, New looks at and for Onespa, Buzyges, and Librita (Lepidoptera: Hesperiidae: Hesperiinae), with new combinations and descriptions of a new genus and six new species, Insecta Mundi 2009 (89), pp. 1-55 : 25-28 25-28
Leptohyphes zalope     Baumgardner, D. E. & Mccafferty, W. P., 2010, Revision of the genus Leptohyphes Eaton (Ephemeroptera: Leptohyphidae) in North and Central America, Zootaxa 2360 (1), pp. 1-33 : 28-30 28-30
Galeopsomyia navia   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 405-406 405-406
Castolus rufomarginatus     Forero, Dimitri & Mejía-Soto, Andrés, 2021, A striking sexually dimorphic new species of Castolus (Hemiptera: Heteroptera Reduviidae) from Colombia, with new records from Neotropical countries and taxonomic notes on the genus, Zootaxa 5048 (4), pp. 538-560 : 556 556
Scipopus (Scipopus) nigripennis     Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 67-72 67-72
Petiolachertus castor   sp. nov.  Hansson, Christer, 2024, Two new genera of Eulophinae (Hymenoptera: Eulophidae), including four new species parasitoids on Gracillariidae (Lepidoptera) leaf miners in Costa Rica, Zootaxa 5447 (4), pp. 562-572 : 563-565 563-565
Galeopsomyia illydris   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 332-334 332-334
Galeopsomyia copalensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 88-90 88-90
Closterocerus azofeifai   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 27-28 27-28
Diglyphomorphomyia pedunculata   sp. nov.  Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 332-334 332-334
Galeopsomyia copala   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 279-280 279-280
Galeopsomyia carinifer   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 267-269 267-269
Closterocerus altamiraensis   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 18-19 18-19
Closterocerus flammeus   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 48-49 48-49
Phyllophaga (Phyllophaga) copalensis   sp. nov.  García-López, Alejandra, Morón, Miguel Ángel, Micó, Estefanía & Galante, Eduardo, 2009, Two new species of Phyllophaga Harris (Coleoptera: Scarabaeidae: Melolonthinae) from Costa Rica, Zootaxa 2062 (1), pp. 37-45 : 39-41 39-41
Miconia albertobrenesii   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 41-46 41-46
Phyllophaga (Phyllophaga) larai   sp. nov.  García-López, Alejandra, Morón, Miguel Ángel, Micó, Estefanía & Galante, Eduardo, 2009, Two new species of Phyllophaga Harris (Coleoptera: Scarabaeidae: Melolonthinae) from Costa Rica, Zootaxa 2062 (1), pp. 37-45 : 41-43 41-43
Scipopus (Parascipopus) manifestus   subgen. et comb. nov.  Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 94-98 94-98
Floromadane atrorubens   sp. nov.  Prena, Jens, 2009, Floromadane, a new genus of baridine weevils associated with Rubiaceae in Costa Rica and Panama (Coleoptera: Curculionidae: Baridinae), Beiträge Zur Entomologie = Contributions to Entomology 59 (1), pp. 239-246 : 244 244
Palliolatrix palliolatrix   sp. nov.  Prena, Jens, 2006, Descriptions of Palliolatrix gen. n. and seven new species from Middle America (Coleoptera: Curculionidae: Baridinae), Zootaxa 1319 (1), pp. 15-28 : 25 25
Stenus trifidus     Puthz, Volker, 2016, Übersicht über die neotropischen Arten der Gattung Stenus LATREILLE mit seitlich gerandetem Abdomen und ungelappten Tarsen (Coleoptera, Staphylinidae) 350. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 48 (2), pp. 1551-1634 : 1564-1565 1564-1565
Argia calverti   sp. nov.  Garrison, Rosser W. & Ellenrieder, Natalia Von, 2017, New species of the damselfly genus Argia from Mexico, Central America and Ecuador with an emphasis on Costa Rica (Insecta: Odonata: Coenagrionidae), Zootaxa 4235 (1), pp. 1-93 : 6-10 6-10
Glyptoma laeviceps     Irmler, Ulrich, 2015, The neotropical genus Glyptoma ERICHSON, 1839 with descriptions of new species and a key to the species (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 65 (2), pp. 297-325 : 301-302 301-302
Tapantiomyia enigmatica   sp. nov.  Michelsen, Verner, 2017, Tapantiomyia enigmatica, new genus and species proposed for a stilt-legged and otherwise bizarre coenosiine fly (Diptera: Muscidae) from Costa Rica, Zootaxa 4277 (4), pp. 583-590 : 584-589 584-589
Miconia neomicrantha     Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 97-106 97-106
Xiphocentron sturmi     Vilarino, Albane & Calor, Adolfo R., 2024, Comparative geometric morphometrics of male genitalia in Xiphocentron subgenera (Trichoptera: Xiphocentronidae): new species, revision and phylogenetic systematics of the subgenus Sphagocentron, Arthropod Systematics & amp; Phylogeny 82, pp. 407-431 : 407-431 407-431
Polyplectropus deltoides     Chamorro, Maria Lourdes & Holzenthal, Ralph W., 2010, 2582, Zootaxa 2582, pp. 1-252 : 202-204 202-204
Mortoniella opinionis   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 37-39 37-39
Cyathea divergens var. divergens     Lehnert, Marcus, 2014, Do you know Cyathea divergens (Cyatheaceae-Polypodiopsida)?, Phytotaxa 161 (1), pp. 1-42 : 10-39 10-39
Xiphocentron (Sphagocentron) tapanti   sp. nov.  Vilarino, Albane & Calor, Adolfo R., 2024, Comparative geometric morphometrics of male genitalia in Xiphocentron subgenera (Trichoptera: Xiphocentronidae): new species, revision and phylogenetic systematics of the subgenus Sphagocentron, Arthropod Systematics & amp; Phylogeny 82, pp. 407-431 : 407-431 407-431
Phylloicus munozi   sp. nov.  PRATHER, AYSHA L., 2003, Revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae), Zootaxa 275 (1), pp. 1-214 : 75-77 75-77
Triaenodes tapanti   sp. nov.  Holzenthal, Ralph W. & Contents, Trond Andersen Table Of, 2004, The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae), Zootaxa 511 (1), pp. 1-80 : 34-35 34-35
Phylloicus aeneus     PRATHER, AYSHA L., 2003, Revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae), Zootaxa 275 (1), pp. 1-214 : 21-26 21-26
Stenus (Hypostenus) holzeri   sp. nov.  Puthz, V., 2008, Stenus LATREILLE und die segenreiche Himmelstochter (Coleoptera, Staphylinidae), Linzer biologische Beiträge 40 (1), pp. 137-230 : 198-200 198-200
Phyllophaga (Phyllophaga) tapantina   sp. nov.  Morón, Miguel Angel & Solís, Angel, 2001, Seven New Species Of Phyllophaga (S. Str.) Harris From Costa Rica (Coleoptera: Melolonthidae: Melolonthinae), The Coleopterists Bulletin 55 (1), pp. 11-29 : 14-17 14-17
Somoleptus ovatus     Irmler, Ulrich, 2024, Additions to Neotropical species of the genera Lithocharodes Sharp, 1881 and Somoleptus Sharp, 1881 (Coleoptera, Staphylinidae), Contributions to Entomology 74 (1), pp. 13-34 : 13 13
Quichuamyia costaricensis   sp. nov.  Brammer, Colin A., 2005, Quichuamyia, a new Neotropical genus of Stratiomyidae (Insecta: Diptera), Zootaxa 990 (1), pp. 1-14 : 10-14 10-14
Triaeris stenaspis     Platnick, Norman I., Dupérré, Nadine, Ubick, Darrell & Fannes, Wouter, 2012, Got Males?: The Enigmatic Goblin Spider Genus Triaeris (Araneae, Oonopidae), American Museum Novitates 2012 (3756), pp. 1-36 : 22-30 22-30
Megalopinus tenuiventris   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 756 756
Miconia quinquenervia   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 110-114 110-114
Triaenodes tico   sp. nov.  Holzenthal, Ralph W. & Contents, Trond Andersen Table Of, 2004, The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae), Zootaxa 511 (1), pp. 1-80 : 35-37 35-37
Braunus brettlizorum   comb. nov.  Barão, Kim Ribeiro, Garbelotto, Thereza De Almeida, Campos, Luiz Alexandre & Grazia, Jocelia, 2016, Unusual looking pentatomids: reassessing the taxonomy of Braunus Distant and Lojus McDonald (Hemiptera: Heteroptera: Pentatomidae), Zootaxa 4078 (1), pp. 168-186 : 180-181 180-181
Osorius canaliculatus     Irmler, Ulrich, 2010, The Neotropical species of the genus Osorius G - M, 1829 with remarks to the Neotropical Osoriid complex (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 60 (2), pp. 363-426 : 380-381 380-381
Megalopinus cephalotes     Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 676 676
Mucuna monticola   sp. nov.  Moura, Tânia M., Zamora, Nelson A., Torke, Benjamin M., Mansano, Vidal De F. & Tozzi, Ana Maria G. A., 2012, A New Species of Mucuna (Leguminosae-Papilionoideae-Phaseoleae) from Costa Rica and Panama, Phytotaxa 60 (1), pp. 1-8 : 2-7 2-7
Myoxanthus sotoanus     Rojas-Alvarado, Gustavo, Blanco, Mario A. & Karremans, Adam P., 2021, A taxonomic synopsis and morphological characterization of Myoxanthus (Orchidaceae: Pleurothallidinae), Phytotaxa 507 (3), pp. 211-258 : 250 250
Pyxine daedalea     Mongkolsuk, Pachara, Meesim, Sanya, Poengsungnoen, Vasun & Kalb, Klaus, 2012, The lichen family Physciaceae in Thailand-I. The genus Pyxine, Phytotaxa 59 (1), pp. 32-54 : 45 45
Hebynthus himalia   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 694-696 694-696
Symplocos costaricana     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Phylloicus nigripennis     PRATHER, AYSHA L., 2003, Revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae), Zootaxa 275 (1), pp. 1-214 : 77-79 77-79
Ormiophasia guimaraesi   sp. nov.  Gudin, Filipe M. & Nihei, Silvio S., 2019, Taxonomic revision of the Neotropical genus Ormiophasia Townsend, 1919 (Diptera: Tachinidae), with the description of eight new species, Zootaxa 4643 (1), pp. 1-74 : 48-51 48-51
Croton hoffmannii     Caruzo, Maria Beatriz Rossi & Cordeiro, Inês, 2013, Taxonomic revision of Croton section Cleodora (Euphorbiaceae), Phytotaxa 121 (1), pp. 1-41 : 25 25
Argia elongata   sp. nov.  Garrison, Rosser W. & Ellenrieder, Natalia Von, 2017, New species of the damselfly genus Argia from Mexico, Central America and Ecuador with an emphasis on Costa Rica (Insecta: Odonata: Coenagrionidae), Zootaxa 4235 (1), pp. 1-93 : 14-21 14-21
Mortoniella meralda   comb. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 31-34 31-34
Miconia biolleyana   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 65-67 65-67
Bromus catharticus     Saarela, Jeffery M., Peterson, Paul M. & Valdés-Reyna, Jesus, 2014, A taxonomic revision of Bromus (Poaceae: Pooideae: Bromeae) in México and Central America, Phytotaxa 185 (1), pp. 1-147 : 61-68 61-68
Argia carolus   sp. nov.  Garrison, Rosser W. & Ellenrieder, Natalia Von, 2017, New species of the damselfly genus Argia from Mexico, Central America and Ecuador with an emphasis on Costa Rica (Insecta: Odonata: Coenagrionidae), Zootaxa 4235 (1), pp. 1-93 : 12-14 12-14
Louteridium costaricense     Daniel, Thomas F. & Tripp, Erin A., 2018, Louteridium (Acanthaceae: Acanthoideae: Ruellieae: Trichantherinae): Taxonomy, Phylogeny, Reproductive Biology, and Conservation, Proceedings of the California Academy of Sciences 65 (2), pp. 41-106 : 75-76 75-76
Epidendrum scandens   sp. nov.  Karremans, Adam P., Rojas-Alvarado, Gustavo & Chinchilla, Isler F., 2023, Epidendrum scandens: an unusual new orchid species endemic to the Cordillera de Talamanca in Costa Rica, Phytotaxa 626 (4), pp. 290-296 : 291-295 291-295
Oosternum simplex   sp. nov.  Fikáček, Martin & Hebauer, Franz, 2009, Taxonomic revision of the New World species of the genus Oosternum Sharp (Coleoptera: Hydrophilidae: Sphaeridiinae) II. The Oosternum convexum species group, Acta Entomologica Musei Nationalis Pragae 49 (1), pp. 103-117 : 112-115 112-115
Symplocos oreophila     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Sticherus fuscus   sp. nov.  Gonzales, Jasivia & Kessler, Michael, 2011, A synopsis of the Neotropical species of Sticherus (Gleicheniaceae), with descriptions of nine new species, Phytotaxa 31, pp. 1-54 : 25-27 25-27
Scybalocanthon moniliatus     Silva, Fernando A. B. & Valois, Marcely, 2019, A taxonomic revision of the genus Scybalocanthon Martínez, 1948 (Coleoptera Scarabaeidae: Scarabaeinae: Deltochilini), Zootaxa 4629 (3), pp. 301-341 : 327-328 327-328
Reductoonops naci   sp. nov.  Platnick, Norman I. & Berniker, Lily, 2014, ffle Neotropical goblin spiders of the new genus Reductoonops (Araneae, Oonopidae), American Museum Novitates 2014 (3811), pp. 1-75 : 14-16 14-16
Costarina macho   sp. nov.  Platnick, Norman I., Berniker, Lily & Víquez, Carlos, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna, American Museum Novitates 2014 (3794), pp. 1-76 : 66 66
Scolytodes curvicostatus   sp. nov.  Jordal, Bjarte H., 2018, Hidden gems in museum cabinets: new species and new distributional records of Scolytodes (Coleoptera: Scolytinae), Zootaxa 4504 (1), pp. 76-104 : 85-88 85-88
Gonaphodiellus cerropuntanus   sp. nov.  Dellacasa, Marco, Dellacasa, Giovanni & Gordon, Robert D., 2012, Systematic revision of Gonaphodiellus taxa, with description of two new genera and fourteen new species (Coleoptera: Scarabaeidae: Aphodiinae), Insecta Mundi 2012 (230), pp. 1-41 : 6-7 6-7
Buzyges rolla   comb. nov.  Austin, George T. & Warren, Andrew D., 2009, New looks at and for Onespa, Buzyges, and Librita (Lepidoptera: Hesperiidae: Hesperiinae), with new combinations and descriptions of a new genus and six new species, Insecta Mundi 2009 (89), pp. 1-55 : 21-23 21-23
Myrmelachista zeledoni     Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 46-48 46-48
Metaleptobasis bovilla     Ellenrieder, Natalia Von, 2013, <p> <strong> A revision of <em> Metaleptobasis </ em> Calvert (Odonata: Coenagrionidae) with seven synonymies and the description of eighteen new species from South America </ strong> </ p>, Zootaxa 3738 (1), pp. 1-155 : 22-24 22-24
Cyclocaccus costaricensis   sp. nov.  Hisamatsu, Sadatomo, Bayless, Victoria M. & Carlton, Christopher E., 2016, Revision ofCyclocaccusSharp (Coleoptera: Nitidulidae: Nitidulinae), The Coleopterists Bulletin 70 (4), pp. 825-870 : 825-870 825-870
Galeopsomyia gala   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 107-108 107-108
Galeopsomyia eberhardi   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 98-100 98-100
Galeopsomyia blendis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 190-191 190-191
Symplocos serrulata     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Embates galbinus   sp. nov.  Prena, Jens, 2005, The Middle American species of Embates Chevrolat (Coleoptera: Curculionidae: Baridinae), Zootaxa 1100 (1), pp. 1-151 : 1-151 1-151
Chryasus macer   sp. nov.  Prena, Jens, 2024, Consolidation of Aniops Casey, Psiona Casey, Preglyptobaris Bondar and Prospoliata Hustache with Chryasus Champion (Coleoptera, Curculionidae, Baridinae) and descriptions of new species, Zootaxa 5492 (1), pp. 1-24 : 13 13
Eleusis struyvei   sp. nov.  Irmler, Ulrich, 2017, The Neotropical species of the genus Eleusis LAPORTE, 1835 with description of the new genus Eleusima (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 67 (2), pp. 275-318 : 301-302 301-302
Coniceromyia diffusa   sp. nov.  Ament, Danilo César, Kung, Giar-Ann & Brown, Brian V., 2020, Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus, Zootaxa 4830 (1), pp. 1-61 : 20-21 20-21
Osbornellus aielloae   sp. nov.  Domínguez, Edwin & Godoy, Carolina, 2010, Taxonomic review of the genus Osbornellus Ball (Hemiptera: Cicadellidae) in Central America 2702, Zootaxa 2702, pp. 1-106 : 19-22 19-22
Costarina junio   sp. nov.  Platnick, Norman I., Berniker, Lily & Víquez, Carlos, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna, American Museum Novitates 2014 (3794), pp. 1-76 : 14 14
Somoleptus paramocola   sp. nov.  Irmler, Ulrich, 2024, Additions to Neotropical species of the genera Lithocharodes Sharp, 1881 and Somoleptus Sharp, 1881 (Coleoptera, Staphylinidae), Contributions to Entomology 74 (1), pp. 13-34 : 13 13
Stenus electrus     Puthz, V., 2014, Neue und alte neotropische Stenus-Arten (Coleoptera, Staphylinidae) 339. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 46 (2), pp. 1671-1736 : 1672-1673 1672-1673
Dolecta morosa   comb. nov.  Naydenov, Artem E., Yakovlev, Roman V., Penco, Fernando C. & Sinyaev, Victor V., 2020, New data on Neotropical Carpenter-Moths of Subfamily Hypoptinae Neumoegen & Dyar, 1894 (Lepidoptera: Cossidae). II. A review of the genus Dolecta Herrich-Schäffer, [1854], with description of seventeen new species, Ecologica Montenegrina 35, pp. 82-114 : 102 102
Embates peperomiae   sp. nov.  Prena, Jens, 2005, The Middle American species of Embates Chevrolat (Coleoptera: Curculionidae: Baridinae), Zootaxa 1100 (1), pp. 1-151 : 1-151 1-151
Phyllocnistis drimiphaga   sp. nov.  Kawahara, Akito Y., Nishida, Kenji & Davis, Donald R., 2009, Systematics, host plants, and life histories of three new Phyllocnistis species from the central highlands of Costa Rica (Lepidoptera, Gracillariidae, Phyllocnistinae), ZooKeys 27 (27), pp. 7-30 : 12-17 12-17
Blepharoneura macwilliamsae   sp. nov.  Norrbom, Allen L. & Condon, Marty, 2010, Revision of the femoralis group of Blepharoneura Loew (Diptera: Tephritidae) 2374, Zootaxa 2374 (1), pp. 1-139 : 79-81 79-81
Coniceromyia truncata     Ament, Danilo César & Amorim, Dalton De Souza, 2016, Taxonomic revision of Coniceromyia Borgmeier (Diptera: Phoridae), with the description of three new species from Brazil, Zootaxa 4086 (1), pp. 1-87 : 58 58
Aptilotella involucris   sp. nov.  Luk, Stephen P. L. & Marshall, Stephen A., 2014, A revision of the New World genus Aptilotella Duda (Sphaeroceridae: Limosininae), Zootaxa 3761 (1), pp. 1-156 : 27-28 27-28
Embates uniformis   sp. nov.  Prena, Jens, 2005, The Middle American species of Embates Chevrolat (Coleoptera: Curculionidae: Baridinae), Zootaxa 1100 (1), pp. 1-151 : 1-151 1-151
Megarthrus mammiger     Cuccodoro, Giulio, 2011, Revision of the Neotropical types of Megarthrus Curtis, 1829 and description of two new species from Costa Rica and Peru (Coleoptera, Staphylinidae, Proteininae), Revue suisse de Zoologie 118 (1), pp. 107-147 : 116-117 116-117
Dalek cyclos   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 656-658 656-658
Orthonevra gouletmasnerorum   sp. nov.  Miranda, Gil F. G., Soares, Matheus M. M. & Thompson, Christian, 2024, The Neotropical Orthonevra Macquart, 1829 (Diptera: Syrphidae), Zootaxa 5484 (1), pp. 1-78 : 33-34 33-34
Prionomitus mitratus     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 554-555 554-555
Penthetria mexicana     Fitzgerald, Scott J., 2021, Penthetria Meigen (Diptera: Bibionidae): Revision of the New World species and world catalog, Zootaxa 4926 (4), pp. 451-500 : 476-479 476-479
Espeson dybasi   sp. nov.  Irmler, U., 2012, The Neotropical species of the genera Pseudespeson L, 1994 and Espeson S, 1882 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 62 (2), pp. 331-360 : 337-338 337-338
Ammonoencyrtus galas   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 527-529 527-529
Cheiloneurus exeres   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 241-243 241-243
Argentinomyia crenulata     Montoya, Augusto L. & Wolff, Marta, 2023, Taxonomic revision of the Neotropical genus Argentinomyia Lynch-Arribálzaga, 1891 (Diptera: Syrphidae), with description of 16 new species, Zootaxa 5234 (1), pp. 1-157 : 50-53 50-53
Milichiella nudiventris     Brake, Irina, 2009, Revision of Milichiella Giglio-Tos (Diptera, Milichiidae) 2188, Zootaxa 2188 (1), pp. 1-166 : 100-102 100-102
Milichiella lacteipennis     Brake, Irina, 2009, Revision of Milichiella Giglio-Tos (Diptera, Milichiidae) 2188, Zootaxa 2188 (1), pp. 1-166 : 84-94 84-94
Pseudoptilolepis centralis     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 55 55
Glenognatha spherella     Jimmy Cabra-García & Antonio D. Brescovit, 2016, Revision and phylogenetic analysis of the orb-weaving spider genus Glenognatha Simon, 1887 (Araneae, Tetragnathidae), Zootaxa 4069 (1), pp. 1-183 : 129-134 129-134
Anisepyris pulchripennis     Barbosa, Diego N. & Azevedo, Celso O., 2018, Revision of Anisepyris Kieffer (Hymenoptera, Bethylidae), with description of 135 new species, Zootaxa 4416 (1), pp. 1-258 : 178 178
Alitocoris schraderi     Garbelotto, Thereza De A., Campos, Luiz A. & Grazia, Jocelia, 2013, Cladistics and revision of Alitocoris with considerations on the phylogeny of the Herrichella clade (Hemiptera, Pentatomidae, Discocephalinae, Ochlerini), Zoological Journal of the Linnean Society 168, pp. 452-472 : 458-462 458-462
Masteria downeyi     Passanha, Victor & Brescovit, Antonio D., 2018, On the Neotropical spider Subfamily Masteriinae (Araneae, Dipluridae), Zootaxa 4463 (1), pp. 1-73 : 25-27 25-27
Xynocoris parvus   comb. nov.  Garbelotto, Thereza De A., Campos, Luiz A. & Grazia, Jocelia, 2014, Xynocoris, new genus of Ochlerini from Central and South America (Hemiptera: Pentatomidae: Discocephalinae), Zootaxa 3869 (3), pp. 281-305 : 285-287 285-287
Thaumasia argenteonotata     Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64 : 9-11 9-11
Colenis punctulata     Peck, Stewart B. & Cook, Joyce, 2019, The Leiodidae (Coleoptera) of the Biologia Centrali-Americana, with Descriptions of New Species, The Coleopterists Bulletin 73 (1), pp. 78-84 : 81-83 81-83
Symplocos retusa     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Peltopsilopa acuta   sp. nov.  Savaris, Marcoandre, Marinoni, Luciane & Mathis, Wayne N., 2016, Revision of the shore-fly genus Peltopsilopa Hendel (Diptera: Ephydridae), Zootaxa 4083 (1), pp. 83-98 : 86-88 86-88
Costarina chonta   sp. nov.  Platnick, Norman I., Berniker, Lily & Víquez, Carlos, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna, American Museum Novitates 2014 (3794), pp. 1-76 : 66-67 66-67
Daidalotarsonemus marini     Rezende, José Marcos, Bauchan, Gary, Lin, Jian-Zhen, Ochoa, Ronald & Lofego, Antonio Carlos, 2024, Review of the genus Daidalotarsonemus De Leon (Acari: Prostigmata: Tarsonemidae), Zootaxa 5426 (1), pp. 1-170 : 97 97
Gymnopus foliiphilus subsp. var. var. costaricensis   var. nov.  Petersen, Ronald H. & Hughes, Karen W., 2016, Micromphale sect. Perforantia (Agaricales, Basidiomycetes); Expansion and phylogenetic placement, MycoKeys 18, pp. 1-122 : 27-30 27-30
Daidalotarsonemus alas     Rezende, José Marcos, Bauchan, Gary, Lin, Jian-Zhen, Ochoa, Ronald & Lofego, Antonio Carlos, 2024, Review of the genus Daidalotarsonemus De Leon (Acari: Prostigmata: Tarsonemidae), Zootaxa 5426 (1), pp. 1-170 : 10 10
Orthonevra nitidula     Miranda, Gil F. G., Soares, Matheus M. M. & Thompson, Christian, 2024, The Neotropical Orthonevra Macquart, 1829 (Diptera: Syrphidae), Zootaxa 5484 (1), pp. 1-78 : 54-56 54-56
Anelosimus jucundus     Agnarsson, Ingi, 2006, A revision of the New World eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars, Zoological Journal of the Linnean Society 146 (4), pp. 453-593 : 490-499 490-499
Leptocera sphaerotheca   sp. nov.  Buck, Matthias & Marshall, Stephen A., 2009, Revision of New World Leptocera Olivier (Diptera, Sphaeroceridae), Zootaxa 2039 (1), pp. 1-139 : 57-61 57-61
Asca nelsoni     LIU, DONG, YI, TIAN-CI, XU, YUN & ZHANG, ZHI-QIANG, 2013, Hotspots of new species discovery: new mite species described during 2007 to 2012, Zootaxa 3663 (1), pp. 1-102 : 18 18
Orasema stramineipes     Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107 : 87-89 87-89
Miconia neocoronata   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 95-97 95-97
Mortoniella munozi   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 34-37 34-37
Bromus carinatus     Saarela, Jeffery M., Peterson, Paul M. & Valdés-Reyna, Jesus, 2014, A taxonomic revision of Bromus (Poaceae: Pooideae: Bromeae) in México and Central America, Phytotaxa 185 (1), pp. 1-147 : 35-41 35-41
Chortinus bequaerti     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 38 38
Adelomyrmex silvestrii     Fernández, F., 2003, Revision of the myrmicine ants of the Adelomyrmex genus-group (Hymenoptera: Formicidae)., Zootaxa 361, pp. 1-52 : 28-29 28-29
Myrmelachista flavocotea   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 17-19 17-19
Myrmelachista lauroatlantica   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 28-31 28-31
Werauhia talamancana   sp. nov.  Cascante-Marín, Alfredo & Morales, J. Francisco, 2021, A new species of Werauhia (Bromeliaceae, Tillandsioideae) from the highlands of southern Central America, Phytotaxa 523 (3), pp. 254-258 : 255-257 255-257
Stenus irazumontis     Puthz, V., 2014, Neue und alte neotropische Stenus-Arten (Coleoptera, Staphylinidae) 339. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 46 (2), pp. 1671-1736 : 1693 1693
Stenus fuscatus   sp. nov.  Puthz, V., 2014, Neue und alte neotropische Stenus-Arten (Coleoptera, Staphylinidae) 339. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 46 (2), pp. 1671-1736 : 1674-1675 1674-1675
Carex via-aquae   sp. nov.  Lois, Raúl, Acedo, Carmen, Reznicek, Anton A. & Jiménez-Mejías, Pedro, 2023, Three newly described species of Carex sect. Fecundae (Cyperaceae) from Central America and typification of two related names, Phytotaxa 579 (2), pp. 71-86 : 79-81 79-81
Venezolanoconnus sreeae   sp. nov.  Jałoszyński, Paweł, 2017, Discovery of Venezolanoconnus in Costa Rica (Coleoptera, Staphylinidae, Scydmaeninae), Zootaxa 4303 (2), pp. 293-296 : 294-295 294-295
Carex orothanatica   sp. nov.  Lois, Raúl, Acedo, Carmen, Reznicek, Anton A. & Jiménez-Mejías, Pedro, 2023, Three newly described species of Carex sect. Fecundae (Cyperaceae) from Central America and typification of two related names, Phytotaxa 579 (2), pp. 71-86 : 73-75 73-75
Cora arachnoidea   sp. nov.  Lücking, Robert, Dal-Forno, Manuela, Lawrey, James D., Bungartz, Frank, Holgado Rojas, María E., Hernández, Jesús E., Marcelli, Marcelo P., Moncada, Bibiana, Morales, Eduardo A., Nelsen, Matthew P., Paz, Elias, Salcedo, Luis, Spielmann, Adriano A., Wilk, Karina, Will-Wolf, Susan & Yánez-Ayabaca, Alba, 2013, Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade, Phytotaxa 139 (1), pp. 1-38 : 6-8 6-8
Bromus exaltatus     Saarela, Jeffery M., Peterson, Paul M. & Valdés-Reyna, Jesus, 2014, A taxonomic revision of Bromus (Poaceae: Pooideae: Bromeae) in México and Central America, Phytotaxa 185 (1), pp. 1-147 : 83-88 83-88
Ixodes contrarius   sp. nov.  Apanaskevich, Dmitry A., Apanaskevich, Maria A., Klimov, Pavel B., Edgy, Brett M., Bermúdez, Sergio E., Labruna, Marcelo B., Korzeev, Andrei I. & Barker, Stephen C., 2022, Description of eight new species of Ixodes Latreille, 1795 (Acari: Ixodidae) and redescription of I. auritulus Neumann, 1904, parasites of birds in the Australasian, Nearctic and Neotropical Regions, Zootaxa 5173 (1), pp. 1-73 : 28-30 28-30
Icaunauna aurantium   sp. nov.  Martins, Ubirajara R. & Galileo, Maria Helena M., 2009, Novos táxons de Cerambycidae (Coleoptera) neotropicais da coleção Herbert Schmid, Viena, Áustria, Papéis Avulsos de Zoologia 49 (39), pp. 529-538 : 535-537 535-537
Malthonea piraiuba   sp. nov.  Martins, Ubirajara R. & Galileo, Maria Helena M., 2009, Novos táxons de Cerambycidae (Coleoptera) neotropicais da coleção Herbert Schmid, Viena, Áustria, Papéis Avulsos de Zoologia 49 (39), pp. 529-538 : 532-534 532-534
Coccidencyrtus jacintha   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 107-109 107-109
Coccidencyrtus reshan   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 93-94 93-94
Reithrodontomys musseri     Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Cricetidae, Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona: Lynx Edicions, pp. 204-535 : 370 370
Stenopygium punctipennis     Soares, Matheus M. M. & Ale-Rocha, Rosaly, 2020, New records of Stenopygium Becker (Diptera: Dolichopodidae) from the Neotropical Region, and a key to species, Zootaxa 4868 (1), pp. 129-134 : 131 131
Closterocerus amaurus   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 19 19
Closterocerus brevipes   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 30-31 30-31
Lepanthes bogariniana   sp. nov.  Pupulin, Franco, 2021, A correction to the Lepanthes guatemalensis group (Orchidaceae: Pleurothallidinae) in Costa Rica, with a new species, Phytotaxa 480 (1), pp. 69-78 : 72-74 72-74
Punjuba racemiflora     Soares, Marcos Vinicius Batista, Guerra, Ethiéne, Morim, Marli Pires & Iganci, João Ricardo Vieira, 2024, Taxonomic revision of the genus Punjuba (Leguminosae, Caesalpinioideae), Phytotaxa 659 (1), pp. 41-55 : 51-53 51-53
Xylocopa (Neoxylocopa) ocellaris     Mérida-Rivas, Jorge A., Hinojosa-Díaz, Ismael A., Ayala-Barajas, Ricardo, Pozo, Carmen & Vandame, Rémy, 2022, Revision of carpenter bees of the subgenus Neoxylocopa Michener (Hymenoptera: Apidae) from Mexico and Mesoamerica, Zootaxa 5158 (1), pp. 1-67 : 30-32 30-32
Melaloncha laselvae   sp. nov.  Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 31-32 31-32
Neopleurophora brachypyga   sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 28 28
Coniceromyia stichochaeta   sp. nov.  Ament, Danilo César, Kung, Giar-Ann & Brown, Brian V., 2020, Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus, Zootaxa 4830 (1), pp. 1-61 : 46 46
Megalographa talamanca   sp. nov.  Lafontaine, J. Donald & Sullivan, J. Bolling, 2009, A review of the genus Megalographa Lafontaine and Poole (Lepidoptera: Noctuidae: Plusiinae) with the description of a new species from Costa Rica, Insecta Mundi 2009 (77), pp. 1-10 : 7-9 7-9
Galeopsomyia octava   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 421-422 421-422
Galeopsomyia myrsineae   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 402-403 402-403
Galeopsomyia lacinia   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 349-350 349-350
Macroplectron nishidai   sp. nov.  Hansson, Christer, 2024, Two new genera of Eulophinae (Hymenoptera: Eulophidae), including four new species parasitoids on Gracillariidae (Lepidoptera) leaf miners in Costa Rica, Zootaxa 5447 (4), pp. 562-572 : 567-569 567-569
Galeopsomyia montanis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 394-396 394-396
Galeopsomyia devania   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 293-294 293-294
Galeopsomyia falla   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 307-308 307-308
Megalopinus pavo   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 661-662 661-662
Helonoton costaricense   sp. nov.  Lord, Nathan P. & Ivie, Michael A., 2016, Several New Genera and Species of New World Synchitini (Coleoptera: Zopheridae: Colydiinae), The Coleopterists Bulletin 70 (4), pp. 715-753 : 715-753 715-753
Bromus carinatus var. marginatus     Saarela, Jeffery M., Peterson, Paul M. & Valdés-Reyna, Jesus, 2014, A taxonomic revision of Bromus (Poaceae: Pooideae: Bromeae) in México and Central America, Phytotaxa 185 (1), pp. 1-147 : 47-61 47-61
Dalek elana   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 662-664 662-664
Coniceromyia setitarsalis     Ament, Danilo César & Amorim, Dalton De Souza, 2016, Taxonomic revision of Coniceromyia Borgmeier (Diptera: Phoridae), with the description of three new species from Brazil, Zootaxa 4086 (1), pp. 1-87 : 54-55 54-55
Dohrniphora zumbadoi   sp. nov.  Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 73 73
Caldencyrtus balor   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 628-629 628-629
Osbornellus springerae   sp. nov.  Domínguez, Edwin & Godoy, Carolina, 2010, Taxonomic review of the genus Osbornellus Ball (Hemiptera: Cicadellidae) in Central America 2702, Zootaxa 2702, pp. 1-106 : 27 27
Osbornellus pseudopuniceus     Domínguez, Edwin & Godoy, Carolina, 2010, Taxonomic review of the genus Osbornellus Ball (Hemiptera: Cicadellidae) in Central America 2702, Zootaxa 2702, pp. 1-106 : 16-19 16-19
Hebynthus cosmus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 696-698 696-698
Galeopsomyia druparum   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 95-97 95-97
Galeopsomyia gouaniae   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 322-323 322-323
Coniceromyia auristriata     Ament, Danilo César & Amorim, Dalton De Souza, 2016, Taxonomic revision of Coniceromyia Borgmeier (Diptera: Phoridae), with the description of three new species from Brazil, Zootaxa 4086 (1), pp. 1-87 : 13-16 13-16
Galeopsomyia fresa   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 103-105 103-105
Oosternum intermedium   sp. nov.  Fikáček, Martin & Hebauer, Franz, 2009, Taxonomic revision of the New World species of the genus Oosternum Sharp (Coleoptera: Hydrophilidae: Sphaeridiinae) II. The Oosternum convexum species group, Acta Entomologica Musei Nationalis Pragae 49 (1), pp. 103-117 : 111-112 111-112
Leichosila talamanca   sp. nov.  Schmidt, Christian, 2009, A new genus and two new species of arctiine tiger moth (Noctuidae, Arctiinae, Arctiini) from Costa Rica, ZooKeys 9 (9), pp. 89-96 : 94-95 94-95
Ptomophagus inbio     Peck, Stewart B., Gnaspini, Pedro & Newton, Alfred F., 2020, Updated catalog and generic keys of the Leiodidae (Insecta: Coleoptera) of the Neotropical region (“ Latin America ”: Mexico, the West Indies, and Central and South America), Zootaxa 4741 (1), pp. 1-114 : 58 58
Ptomaphagus costarica     Peck, Stewart B., Gnaspini, Pedro & Newton, Alfred F., 2020, Updated catalog and generic keys of the Leiodidae (Insecta: Coleoptera) of the Neotropical region (“ Latin America ”: Mexico, the West Indies, and Central and South America), Zootaxa 4741 (1), pp. 1-114 : 61 61
Stenus fuscivestis   sp. nov.  Puthz, V., 2014, Neue und alte neotropische Stenus-Arten (Coleoptera, Staphylinidae) 339. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 46 (2), pp. 1671-1736 : 1673-1674 1673-1674
Phyllocnistis tropaeolicola   sp. nov.  Kawahara, Akito Y., Nishida, Kenji & Davis, Donald R., 2009, Systematics, host plants, and life histories of three new Phyllocnistis species from the central highlands of Costa Rica (Lepidoptera, Gracillariidae, Phyllocnistinae), ZooKeys 27 (27), pp. 7-30 : 20-28 20-28
Mexiconnus triops   sp. nov.  Jałoszyński, Paweł, 2022, The first record of Mexiconnus Jałoszyński in Costa Rica with description of a new species (Coleoptera, Staphylinidae, Scydmaeninae), Zootaxa 5213 (5), pp. 591-595 : 592-594 592-594
Scipopus (Parascipopus) savegre   subgen. et sp. nov.  Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 107-109 107-109
Roederiodes dedota   sp. nov.  Sinclair, Bradley J., 2023, Revision of New World species of Roederiodes Coquillett (Diptera: Empididae: Clinocerinae), Zootaxa 5301 (3), pp. 336-364 : 342 342
Blepharoneura splendida     Norrbom, Allen L. & Condon, Marty, 2010, Revision of the femoralis group of Blepharoneura Loew (Diptera: Tephritidae) 2374, Zootaxa 2374 (1), pp. 1-139 : 109-112 109-112
Blepharoneura zumbadoi   sp. nov.  Norrbom, Allen L. & Condon, Marty, 2010, Revision of the femoralis group of Blepharoneura Loew (Diptera: Tephritidae) 2374, Zootaxa 2374 (1), pp. 1-139 : 121-124 121-124
Penthetria appendicula     Fitzgerald, Scott J., 2021, Penthetria Meigen (Diptera: Bibionidae): Revision of the New World species and world catalog, Zootaxa 4926 (4), pp. 451-500 : 461-463 461-463
Blepharoneura sinepuncta   sp. nov.  Norrbom, Allen L. & Condon, Marty, 2010, Revision of the femoralis group of Blepharoneura Loew (Diptera: Tephritidae) 2374, Zootaxa 2374 (1), pp. 1-139 : 107-109 107-109
Psychoda setigera     Cordeiro, Danilo Pacheco, 2020, First record to Brazil of one genera and seven species of Psychodidae (Diptera) with further new records for 10 countries on the Neotropics, Papéis Avulsos de Zoologia 60, pp. 1-10 : 8 8
Alwisia morula     Lloyd, Sarah J., Leontyev, Dmytro, Vigus, Paula & Schnittler, Martin, 2024, Repent for Alwisia repens: emended descriptions of two species of Alwisia (Myxomycetes) thought to lack a capillitium, Phytotaxa 634 (3), pp. 289-300 : 295-296 295-296
Ganoderma applanatum     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Miconia variabilis   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 132-139 132-139
Dalek minerva   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 650-652 650-652
Psychoda varablanca     Cordeiro, Danilo Pacheco, 2020, First record to Brazil of one genera and seven species of Psychodidae (Diptera) with further new records for 10 countries on the Neotropics, Papéis Avulsos de Zoologia 60, pp. 1-10 : 9 9
Ganoderma applanatum subsp. var. var. laevisporum     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Aptilotella quadrata   sp. nov.  Luk, Stephen P. L. & Marshall, Stephen A., 2014, A revision of the New World genus Aptilotella Duda (Sphaeroceridae: Limosininae), Zootaxa 3761 (1), pp. 1-156 : 40-42 40-42
Guatteria turrialbana   sp. nov.  Maas, Paul J. M., Westra, Lubbert Y. Th., Chatrou, Lars W., Verspagen, Nadja, Rainer, Heimo, Zamora, Nelson A. & Erkens, Roy H. J., 2019, Twelve new and exciting Annonaceae from the Neotropics, PhytoKeys 126, pp. 25-69 : 42 42
Megalopinus quadriguttatus   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 717 717
Eurygerris flavolineatus     Pacheco-Chaves, Bernald, Cordeiro, Isabelle Da Rocha Silva, Moreira, Felipe Ferraz Figueiredo & Springer, Monika, 2018, The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records, Zootaxa 4471 (3), pp. 493-522 : 504 504
Stenus corrosus     Puthz, Volker, 2016, Übersicht über die neotropischen Arten der Gattung Stenus LATREILLE mit seitlich gerandetem Abdomen und ungelappten Tarsen (Coleoptera, Staphylinidae) 350. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 48 (2), pp. 1551-1634 : 1562 1562
Megalopinus flavocingulatus   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 795-796 795-796
Aptilotella diffisa   sp. nov.  Luk, Stephen P. L. & Marshall, Stephen A., 2014, A revision of the New World genus Aptilotella Duda (Sphaeroceridae: Limosininae), Zootaxa 3761 (1), pp. 1-156 : 25-26 25-26
Symplocos panamensis     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Cupania moralesii   sp. nov.  Jiménez, José Esteban, Juárez, Pedro & Chaves-Fallas, José Miguel, 2016, Cupania moralesii (Sapindaceae), a new endemic tree species from the premontane forest of Costa Rica, Phytotaxa 275 (1), pp. 69-74 : 71-73 71-73
Buzyges idothea     Austin, George T. & Warren, Andrew D., 2009, New looks at and for Onespa, Buzyges, and Librita (Lepidoptera: Hesperiidae: Hesperiinae), with new combinations and descriptions of a new genus and six new species, Insecta Mundi 2009 (89), pp. 1-55 : 17-21 17-21
Leptostylus orbiculus     Santos-Silva, Antonio & Devesa, Sergio, 2021, New species and new records in American Acanthocinini (Coleoptera, Cerambycidae, Lamiinae), Zootaxa 4942 (4), pp. 569-582 : 575-576 575-576
Dolecta amanosa   comb. nov.  Naydenov, Artem E., Yakovlev, Roman V., Penco, Fernando C. & Sinyaev, Victor V., 2020, New data on Neotropical Carpenter-Moths of Subfamily Hypoptinae Neumoegen & Dyar, 1894 (Lepidoptera: Cossidae). II. A review of the genus Dolecta Herrich-Schäffer, [1854], with description of seventeen new species, Ecologica Montenegrina 35, pp. 82-114 : 85-86 85-86
Orasema janzeni   sp. nov.  Heraty, John M. & Baker, Austin J., 2020, New species of Orasema (Hymenoptera: Eucharitidae) from Central and South America, Journal of Natural History 54 (9), pp. 735-754 : 742-744 742-744
Orasema arimbome   sp. nov.  Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107 : 16-19 16-19
Bromus carinatu     Saarela, Jeffery M., Peterson, Paul M. & Valdés-Reyna, Jesus, 2014, A taxonomic revision of Bromus (Poaceae: Pooideae: Bromeae) in México and Central America, Phytotaxa 185 (1), pp. 1-147 : 42-47 42-47
Metrobates porcus     Pacheco-Chaves, Bernald, Cordeiro, Isabelle Da Rocha Silva, Moreira, Felipe Ferraz Figueiredo & Springer, Monika, 2018, The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records, Zootaxa 4471 (3), pp. 493-522 : 512 512
Rheumatobates bergrothi     Pacheco-Chaves, Bernald, Cordeiro, Isabelle Da Rocha Silva, Moreira, Felipe Ferraz Figueiredo & Springer, Monika, 2018, The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records, Zootaxa 4471 (3), pp. 493-522 : 509 509
Zelus championi   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Zelus championi   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Zelus lewisi   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Zelus lewisi   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Miconia radicans     Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 114-117 114-117
Embates polymorphus subsp. dotensis   subsp. nov.  Prena, Jens, 2005, The Middle American species of Embates Chevrolat (Coleoptera: Curculionidae: Baridinae), Zootaxa 1100 (1), pp. 1-151 : 1-151 1-151
Scirtothrips menai   sp. nov.  Retana-Salazar, Axel P., 2016, Scirtothrips menai sp. n., a new species from Costa Rica, Central America (Thysanoptera, Terebrantia, Thripidae)., Arquivos Entomolóxicos 15, pp. 3-15 : 5-6 5-6
Selenyphantes costaricensis   sp. nov.  Moreira, Thiago Da Silva & Hormiga, Gustavo, 2021, Systematics of the Neotropical spider genera Jalapyphantes and Selenyphantes and the circumscription of the Pocobletus clade (Araneae: Linyphiidae), Zoological Journal of the Linnean Society 192 : -1 -1
Eusemion monos   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 500-502 500-502
Fidicina variegata   sp. nov.  Sanborn, Allen F., 2005, Fidicina variegata, a New Cicada Species from Costa Rica (Hemiptera: Cicadomorpha: Cicadidae), Annals of the Entomological Society of America 98 (2), pp. 187-190 : 187-189 187-189
Marmosa (Micoureus) alstoni     Voss, Robert S., 2022, An Annotated Checklist Of Recent Opossums (Mammalia: Didelphidae), Bulletin of the American Museum of Natural History 2022 (455), pp. 1-77 : 16 16
Temnothorax salvini     Prebus, Matthew M., 2021, Taxonomic revision of the Temnothorax salvini clade (Hymenoptera: Formicidae), with a key to the clades of New World Temnothorax, PeerJ (e 11514) 9, pp. 1-462 : 411-417 411-417
Rhagoletis nicaraguensis     Rodriguez, Pedro Alexander, Norrbom, Allen L., Peñaranda, Guadalupe Caicedo Emilio Arévalo & Balseiro, Francisco, 2021, New species and host plant records for Neotropical Rhagoletis Loew (Diptera: Tephritidae), Zootaxa 5060 (2), pp. 231-244 : 239-240 239-240
Osbornellus latus   sp. nov.  Domínguez, Edwin & Godoy, Carolina, 2010, Taxonomic review of the genus Osbornellus Ball (Hemiptera: Cicadellidae) in Central America 2702, Zootaxa 2702, pp. 1-106 : 39 39
Himantigera amauroptera   sp. nov.  Fachin, Diego Aguilar & Hauser, Martin, 2018, Taxonomic revision of the Neotropical genus Himantigera James, 1982 (Diptera: Stratiomyidae: Sarginae), including the description of two new species and a key to the known species, Zootaxa 4531 (4), pp. 451-498 : 474-475 474-475
Dalek ananke   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 642-644 642-644
Galeopsomyia ferula   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 102-103 102-103
Elaxis auster   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 711-712 711-712
Phoneutria depilata     Hazzi, Nicolas A. & Hormiga, Gustavo, 2021, Morphological and molecular evidence support the taxonomic separation of the medically important Neotropical spiders Phoneutria depilata (Strand, 1909) and P. boliviensis (F. O. Pickard-Cambridge, 1897) (Araneae, Ctenidae), ZooKeys 1022, pp. 13-50 : 13 13
Orthonevra shannoni     Miranda, Gil F. G., Soares, Matheus M. M. & Thompson, Christian, 2024, The Neotropical Orthonevra Macquart, 1829 (Diptera: Syrphidae), Zootaxa 5484 (1), pp. 1-78 : 62-65 62-65
Ganoderma curtisii     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Hydrangea albostellata   sp. nov.  Samain, Marie-Stéphanie, Najarro, Francisco Hernández & Salas, Esteban Manuel Martínez, 2014, First record of the critically endangered Hydrangea steyermarkii Standl. (Hydrangeaceae) in Mexico, and description of a new widespread Hydrangea species of Mesoamerica, Phytotaxa 162 (4), pp. 181-197 : 183-190 183-190
Anolis riparius   sp. nov.  Chaves, Gerardo, Ryan, Mason J., Bolaños, Federico, Márquez, Cruz, Köhler, Gunther & Poe, Steven, 2023, Two new species of semiaquatic Anolis (Squamata: Dactyloidae) from Costa Rica, Zootaxa 5319 (2), pp. 249-262 : 257-259 257-259
Begonia urticae     Moonlight, Peter. W., Jara-Muñoz, Orlando A., Purvis, David A., Delves, Jay, Allen, Josh P. & Reynel, Carlos, 2023, The genus Begonia (Begoniaceae) in Peru, European Journal of Taxonomy 881, pp. 1-334 : 59-65 59-65
Odontocheila iodopleura     Moravec, Jiří, Brzoska, David & Huber, Ronald, 2017, Taxonomic and nomenclatorial revision within the Neotropical genera of the subtribe Odontocheilina W. Horn in a new sense — 18. Six Mexican and Central American species related to Odontocheila mexicana Laporte de Castelnau and O. ignita Chaudoir, with a description of O. potosiana sp. nov., Zootaxa 4231 (4), pp. 451-499 : 471-480 471-480
Argia haberi   sp. nov.  Garrison, Rosser W. & Ellenrieder, Natalia Von, 2017, New species of the damselfly genus Argia from Mexico, Central America and Ecuador with an emphasis on Costa Rica (Insecta: Odonata: Coenagrionidae), Zootaxa 4235 (1), pp. 1-93 : 22-23 22-23
Bauhinia proboscidea     Juárez, Pedro, Flores, Rodolfo & Blanco, Mario A., 2018, Bauhinia proboscidea (Fabaceae: Cercidoideae), a new species from Costa Rica and Panama, with notes on B. beguinotii, B. gorgonae and B. pansamalana, Phytotaxa 361 (1), pp. 25-40 : 27-32 27-32
Caenaugochlora (Caenaugochlora) leoi     Engel, Michael S., 2014, Three new species of the genus Caenaugochlora from Central America and Colombia (Hymenoptera: Halictidae), Journal of Melittology 2014 (41), pp. 1-15 : 4-7 4-7
Somoleptus luteicornis   sp. nov.  Irmler, Ulrich, 2024, Additions to Neotropical species of the genera Lithocharodes Sharp, 1881 and Somoleptus Sharp, 1881 (Coleoptera, Staphylinidae), Contributions to Entomology 74 (1), pp. 13-34 : 13 13
Costarina san   sp. nov.  Platnick, Norman I., Berniker, Lily & Víquez, Carlos, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna, American Museum Novitates 2014 (3794), pp. 1-76 : 13 13
Psyrassa androwi   sp. nov.  Wappes, James E., Botero, Juan Pablo & Santos-Silva, Antonio, 2018, New species of Elaphidiini from Central America (Coleoptera: Cerambycidae: Cerambycinae), Insecta Mundi 657, pp. 1-12 : 4-6 4-6
Coniceromyia leucomacula     Ament, Danilo César & Amorim, Dalton De Souza, 2016, Taxonomic revision of Coniceromyia Borgmeier (Diptera: Phoridae), with the description of three new species from Brazil, Zootaxa 4086 (1), pp. 1-87 : 41 41
Euphonia elegantissima subsp. vincens     LeCroy, Mary, 2012, Type Specimens Of Birds In The American Museum Of Natural History Part 10. Passeriformes: Emberizidae: Emberizinae, Catamblyrhynchinae, Cardinalinae, Thraupinae, And Tersininae, Bulletin of the American Museum of Natural History 2012 (368), pp. 1-125 : 88-89 88-89
Zonotrichia capensis subsp. costaricensis     LeCroy, Mary, 2012, Type Specimens Of Birds In The American Museum Of Natural History Part 10. Passeriformes: Emberizidae: Emberizinae, Catamblyrhynchinae, Cardinalinae, Thraupinae, And Tersininae, Bulletin of the American Museum of Natural History 2012 (368), pp. 1-125 : 13 13
Xylocopa (Neoxylocopa) gualanensis     Mérida-Rivas, Jorge A., Hinojosa-Díaz, Ismael A., Ayala-Barajas, Ricardo, Pozo, Carmen & Vandame, Rémy, 2022, Revision of carpenter bees of the subgenus Neoxylocopa Michener (Hymenoptera: Apidae) from Mexico and Mesoamerica, Zootaxa 5158 (1), pp. 1-67 : 39-46 39-46
Specklinia simmleriana     Karremans, Adam, Salguero, Grettel, Bogarín, Diego, Oses, Lizbeth & Cedeño-Fonseca, Marco, 2020, Illustrations and studies in Neotropical Orchidaceae: the Specklinia brighamii group (Pleurothallidinae) in Costa Rica, Phytotaxa 447 (1), pp. 16-30 : 25-27 25-27
Milichiella dimidiata     Brake, Irina, 2009, Revision of Milichiella Giglio-Tos (Diptera, Milichiidae) 2188, Zootaxa 2188 (1), pp. 1-166 : 69-72 69-72
Thanius     Prena, Jens & Nishida, Kenji, 2005, Thanius biennis, a new gall-inducing weevil with a two-year life-cycle from Costa Rica (Coleoptera: Curculionidae: Baridinae)., Beiträge Zur Entomologie = Contributions to Entomology 55 (1), pp. 141-150 : 141-150 141-150
Ganoderma oerstedii     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Ocyptamus myiophagus   sp. nov.  Mengual, Ximo, Miranda, Gil Felipe G. & Thompson, F. Christian, 2018, Unraveling Ocyptamus and the Baccha legacy (Diptera: Syrphidae): redefinition of groups and new species descriptions, Zootaxa 4461 (1), pp. 1-44 : 18-19 18-19
Ganoderma australe     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Temnothorax longicaulis   stat. nov., nom. nov.  Prebus, Matthew M., 2021, Taxonomic revision of the Temnothorax salvini clade (Hymenoptera: Formicidae), with a key to the clades of New World Temnothorax, PeerJ (e 11514) 9, pp. 1-462 : 383-387 383-387
Orasema lasallei   sp. nov.  Heraty, John M. & Baker, Austin J., 2020, New species of Orasema (Hymenoptera: Eucharitidae) from Central and South America, Journal of Natural History 54 (9), pp. 735-754 : 738-742 738-742
Coniceromyia mexicana     Ament, Danilo César, Kung, Giar-Ann & Brown, Brian V., 2020, Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus, Zootaxa 4830 (1), pp. 1-61 : 56 56
Rasopone panamensis   stat. nov.  Longino, John T. & Branstetter, Michael G., 2020, Phylogenomic Species Delimitation, Taxonomy, and ‘ Bird Guide’ Identification for the Neotropical Ant Genus Rasopone (Hymenoptera: Formicidae), Insect Systematics and Diversity 4 (2), No. 1, pp. 1-33 : 25 25
Mortoniella redunca   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 49-52 49-52
Glenognatha minuta     Jimmy Cabra-García & Antonio D. Brescovit, 2016, Revision and phylogenetic analysis of the orb-weaving spider genus Glenognatha Simon, 1887 (Araneae, Tetragnathidae), Zootaxa 4069 (1), pp. 1-183 : 148-153 148-153
Muisca octonotata     Opitz, Pitz Pinola Weston, 2018, Classification, Natural History, and Evolution of the Subfamily Peloniinae O (Coleoptera: Cleroidea: Cleridae). Part IX. Taxonomic revision of the New World genus Muisca S, Linzer biologische Beiträge 50 (1), pp. 587-653 : 621 621
Stenus costipennis     Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1653-1654 1653-1654
Stenus perarmatus   sp. nov.  Puthz, V., 2014, Neue und alte neotropische Stenus-Arten (Coleoptera, Staphylinidae) 339. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 46 (2), pp. 1671-1736 : 1705-1706 1705-1706
Orasema nyamo   sp. nov.  Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107 : 71-73 71-73
Meganannus lewisi   sp. nov.  Weirauch, Christiane, Whorrall, Kyle, Knyshov, Alexander & Hoey-Chamberlain, Rochelle, 2018, Giant among dwarfs: Meganannus lewisi, gen. n. and sp. n., a new genus and species of minute litter bugs from Costa Rica (Hemiptera: Schizopteridae), Zootaxa 4370 (2), pp. 156-170 : 163-165 163-165
Stenus armatus     Puthz, Volker, 2017, Übersicht über die neotropischen Arten der Gattung Stenus LATREILLE mit seitlich ungerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 351. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 49 (1), pp. 749-883 : 814 814
Isanopus ashei   sp. nov.  Chatzimanolis, Stylianos, 2008, A revision of the neotropical beetle genus Isanopus Sharp, 1876 (Coleoptera: Staphylinidae: Staphylinini), Journal of Natural History 42 (25 - 26), pp. 1765-1792 : 1773-1779 1773-1779
Stenus scabrosus     Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1644-1646 1644-1646
Osoriellus opacinotus   sp. nov.  Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 303-304 303-304
Azteca longiceps     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 37-38 37-38
Telchin evalthe subsp. tica     García-Díaz, José De Jesús, Espinoza-Sanabria, Bernardo A., Worthy, Robert, González, Jorge M., Janzen, Daniel H. & Hallwachs, Winnie, 2024, Synopsis of the Castniidae (Lepidoptera) of Costa Rica, Zootaxa 5481 (2), pp. 151-202 : 197 197
Megalopinus cuspidiger   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 739-740 739-740
Megalopinus cuspiduliger   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 740-741 740-741
Limnophora snyderi     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 89 89
Myrmelachista plebecula     Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 43-46 43-46
Orasema costaricensis     Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107 : 26-27 26-27
Ummidia quepoa   sp. nov.  Godwin, Rebecca L. & Bond, Jason E., 2021, Taxonomic revision of the New World members of the trapdoor spider genus Ummidia Thorell (Araneae, Mygalomorphae, Halonoproctidae), ZooKeys 1027, pp. 1-165 : 1 1
Helina refusa     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 67 67
Neodexiopsis preacuta     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 115 115
Glenognatha foxi     Jimmy Cabra-García & Antonio D. Brescovit, 2016, Revision and phylogenetic analysis of the orb-weaving spider genus Glenognatha Simon, 1887 (Araneae, Tetragnathidae), Zootaxa 4069 (1), pp. 1-183 : 109-116 109-116
Bithoracochaeta leucoprocta     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 102 102
Prionopelta dubia   sp. nov.  Ladino, Natalia & Feitosa, Rodrigo M., 2020, Taxonomic revision of the genus Prionopelta Mayr, 1866 (Formicidae: Amblyoponinae) for the Neotropical region, Zootaxa 4821 (2), pp. 201-249 : 226-230 226-230
Catostola indecisa   sp. nov.  Camargo, Alexssandro, Vieira, Rodrigo & Rafael, José Albertino, 2023, Taxonomic review of Ctenodontina Enderlein, 1914 with the revalidation of Catostola Hull, 1958 (Diptera: Asilidae: Asilinae) and description of a new species, Zootaxa 5276, pp. 1-71 : 59-66 59-66
Platygerris caeruleus     Pacheco-Chaves, Bernald, Cordeiro, Isabelle Da Rocha Silva, Moreira, Felipe Ferraz Figueiredo & Springer, Monika, 2018, The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records, Zootaxa 4471 (3), pp. 493-522 : 499 499
Scutops chapmani     Freitas, Geovânia & Ale-Rocha, Rosaly, 2023, Taxonomic revision of the Neotropical genus Scutops Coquillett, 1904 (Diptera: Periscelididae), Zootaxa 5244 (5), pp. 401-427 : 404 404
Specklinia gersonii   sp. nov.  Karremans, Adam P., Bogarín, Diego, Pupulin, Franco, Luer, Carlyle A. & Gravendeel, Barbara, 2015, The glandulous Specklinia: morphological convergence versus phylogenetic divergence, Phytotaxa 218 (2), pp. 101-127 : 112-114 112-114
Lycianthes furcatistellata     Dean, Ellen A. & Reyes, Miriam, 2018, Lectotypification of names in the genus Lycianthes (Solanaceae), Phytotaxa 349 (1), pp. 39-46 : 41-42 41-42
Lycianthes furcatistellata     Dean, Ellen A. & Reyes, Miriam, 2018, Lectotypification of names in the genus Lycianthes (Solanaceae), Phytotaxa 349 (1), pp. 39-46 : 41-42 41-42
Specklinia brighamii     Karremans, Adam, Salguero, Grettel, Bogarín, Diego, Oses, Lizbeth & Cedeño-Fonseca, Marco, 2020, Illustrations and studies in Neotropical Orchidaceae: the Specklinia brighamii group (Pleurothallidinae) in Costa Rica, Phytotaxa 447 (1), pp. 16-30 : 23-25 23-25
Onespa nakamura   sp. nov.  Austin, George T. & Warren, Andrew D., 2009, New looks at and for Onespa, Buzyges, and Librita (Lepidoptera: Hesperiidae: Hesperiinae), with new combinations and descriptions of a new genus and six new species, Insecta Mundi 2009 (89), pp. 1-55 : 12-14 12-14
Mortoniella akantha   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 11-14 11-14
Triaenodes chirripo   sp. nov.  Holzenthal, Ralph W. & Contents, Trond Andersen Table Of, 2004, The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae), Zootaxa 511 (1), pp. 1-80 : 17-18 17-18
Mortoniella taurina   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 62-64 62-64
Couepia janzenii   sp. nov.  Santamaria-Aguilar, Daniel & Lagomarsino, Laura. P., 2015, Synopsis of Couepia (Chrysobalanaceae) in Costa Rica, with a description of two new species, Phytotaxa 233 (1), pp. 69-79 : 73-75 73-75
Armillipora nawak   sp. nov.  Jaume-Schinkel, Santiago, 2024, Further contributions to the taxonomy of Armillipora Quate (Diptera, Psychodidae) with the description of two additional new species, Evolutionary Systematics 8 (1), pp. 145-154 : 145-154 145-154
Monstera anomala   sp. nov.  Zuluaga, Alejandro & Cameron, Kenneth M., 2018, Two new species of Monstera (Araceae: Monsteroideae) with entire leaves from Panama and Costa Rica, Phytotaxa 334 (1), pp. 1-9 : 2-5 2-5
Parygrus maya   sp. nov.  Barr, Cheryl B. & Shepard, William D., 2020, Hiding in plain sight: rediscovery and review of Parygrus Erichson, 1847, with description of five new species from the Neotropics (Coleoptera: Byrrhoidea Dryopidae), Zootaxa 4755 (1), pp. 99-128 : 111-114 111-114
Calochaete cimrmanii   sp. nov.  Hauer, Tomáš, Bohunická, Markéta & Mühlsteinová, Radka, 2013, Calochaete gen. nov. (Cyanobacteria, Nostocales), a new cyanobacterial type from the “ páramo ” zone in Costa Rica, Phytotaxa 109 (1), pp. 36-44 : 38-40 38-40
Ariadna reginae   sp. nov.  Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114 : 87-90 87-90
Bauhinia beguinotii     Juárez, Pedro, Flores, Rodolfo & Blanco, Mario A., 2018, Bauhinia proboscidea (Fabaceae: Cercidoideae), a new species from Costa Rica and Panama, with notes on B. beguinotii, B. gorgonae and B. pansamalana, Phytotaxa 361 (1), pp. 25-40 : 34-35 34-35
Miconia reitziana   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 117-122 117-122
Roederiodes costaricensis   sp. nov.  Sinclair, Bradley J., 2023, Revision of New World species of Roederiodes Coquillett (Diptera: Empididae: Clinocerinae), Zootaxa 5301 (3), pp. 336-364 : 341-342 341-342
Galeopsomyia amphis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 226-227 226-227
Litoleptis tico   sp. nov.  Grimaldi, David A., 2018, First Tropical American Species of the “ Relict ” Genus Litoleptis, and Relationships in Spaniinae (Diptera: Rhagionidae), American Museum Novitates 2018 (3909), pp. 1-20 : 4-11 4-11
Mucomyia browni   sp. nov.  Kvifte, Gunnar Mikalsen, Curler, Gregory R. & Marshall, Stephen A., 2018, Aquatic insects in the forest canopy: a new genus of moth flies (Diptera: Psychodidae) developing in slime on aerial roots, Journal of Natural History 52 (3 - 4), pp. 137-153 : 147-150 147-150
Megalopinus tauripenis   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 691-692 691-692
Bromus anomalus     Saarela, Jeffery M., Peterson, Paul M. & Valdés-Reyna, Jesus, 2014, A taxonomic revision of Bromus (Poaceae: Pooideae: Bromeae) in México and Central America, Phytotaxa 185 (1), pp. 1-147 : 10-24 10-24
Schizoptera (Odontorhagus) aspera   sp. nov.  Leon, Stephanie & Weirauch, Christiane, 2016, Scratching the surface? Taxonomic revision of the subgenus Schizoptera (Odontorhagus) reveals vast undocumented biodiversity in the largest litter bug genus Schizoptera Fieber (Hemiptera: Dipsocoromorpha), Zootaxa 4184 (2), pp. 255-284 : 264-265 264-265
Specklinia acrisepala     Karremans, Adam, Salguero, Grettel, Bogarín, Diego, Oses, Lizbeth & Cedeño-Fonseca, Marco, 2020, Illustrations and studies in Neotropical Orchidaceae: the Specklinia brighamii group (Pleurothallidinae) in Costa Rica, Phytotaxa 447 (1), pp. 16-30 : 17-19 17-19
Galeopsomyia zunigai   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 169-171 169-171
Galeopsomyia anis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 229-230 229-230
Galeopsomyia codata   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 278-279 278-279
Galeopsomyia bidensiae   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 73-75 73-75
Galeopsomyia ingae   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 336-337 336-337
Galeopsomyia alas   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 64-65 64-65
Galeopsomyia cortina   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 282-283 282-283
Galeopsomyia noyesi   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 144-146 144-146
Galeopsomyia zurquiensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 473-474 473-474
Galeopsomyia carbonis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 265-266 265-266
Galeopsomyia noblitis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 417-418 417-418
Galeopsomyia camachoi   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 79-80 79-80
Galeopsomyia gigantensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 316-317 316-317
Galeopsomyia fuga   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 178-179 178-179
Galeopsomyia doradis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 94-95 94-95
Galeopsomyia monteverdensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 141-143 141-143
Scipopus (Parascipopus) nigriscapus   subgen. et sp. nov.  Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 101-104 101-104
Scipopus (Parascipopus) monteverde   subgen. et sp. nov.  Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 98-101 98-101
Galeopsomyia blancaensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 75-77 75-77
Galeopsomyia fausta     Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 197 197
Galeopsomyia lemuris   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 357-358 357-358
Aulacigaster zurqui   sp. nov.  Rung, Alessandra, 2018, A new species of Aulacigaster from Zurquí de Moravia, a Costa Rican cloud forest (Diptera: Aulacigastridae), Zoologia (e 13047) 35, pp. 1-6 : 3-5 3-5
Scipopus (Parascipopus) fenestratus   subgen. et sp. nov.  Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 89-92 89-92
Galeopsomyia ibis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 118-119 118-119
Tanytarsus costarica   sp. nov.  Reis, Patricia Do Rosario, Gil-Azevedo, Leonardo H. & Ferreira-Keppler, Ruth L., 2021, Two new species of Tanytarsus van der Wulp (Diptera: Chironomidae) from Costa Rica, Zootaxa 4966 (1), pp. 84-90 : 87-89 87-89
Scipopus (Parascipopus) otisi   subgen. et sp. nov  Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 104-106 104-106
Galeopsomyia artis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 236-238 236-238
Galeopsomyia beltearis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 71-72 71-72
Galeopsomyia alanis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 217-218 217-218
Galeopsomyia intesa   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 338-339 338-339
Galeopsomyia philyra   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 150-151 150-151
Tanytarsus briani   sp. nov.  Reis, Patricia Do Rosario, Gil-Azevedo, Leonardo H. & Ferreira-Keppler, Ruth L., 2021, Two new species of Tanytarsus van der Wulp (Diptera: Chironomidae) from Costa Rica, Zootaxa 4966 (1), pp. 84-90 : 85-87 85-87
Megaselia shadeae   sp. n.  Hartop, Emily A. & Brown, Brian V., 2014, The tip of the iceberg: a distinctive new spotted-wing Megaselia species (Diptera: Phoridae) from a tropical cloud forest survey and a new, streamlined method for Megaselia descriptions, Biodiversity Data Journal 2, pp. 4093-4093 : 4093 4093
Macgrathphora longifurca   sp. nov.  Brown, Brian V., 2022, Two new genera of phorid flies, Macgrathphora and Aurisetiphora, from Costa Rica (Diptera: Phoridae), with recommendations for naming new genera in the family, Zootaxa 5115 (4), pp. 571-581 : 575-577 575-577
Megaselia shadeae   sp. n.  Hartop, Emily A. & Brown, Brian V., 2014, The tip of the iceberg: a distinctive new spotted-wing Megaselia species (Diptera: Phoridae) from a tropical cloud forest survey and a new, streamlined method for Megaselia descriptions, Biodiversity Data Journal 2, pp. 4093-4093 : 4093 4093
Lenkoa phillipei   sp. nov.  Brown, Brian V. & Porras, Wendy, 2016, A second species, and first Central American record, of the phorid fly genus Lenkoa Borgmeier (Diptera: Phoridae), Zootaxa 4168 (3), pp. 583-588 : 583-587 583-587
Ganoderma chocoense     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Neolindus punctogularis     Guzman, Yoan Camilo, Tokareva, Alexandra, Koszela, Katarzyna & Żyła, Dagmara, 2024, Twenty-one new species of the Neotropical rove beetle genus Neolindus Scheerpeltz (Coleoptera, Staphylinidae, Paederinae), European Journal of Taxonomy 942, pp. 1-76 : 72 72
Blepharoneura tau   sp. nov.  Norrbom, Allen L. & Condon, Marty, 2010, Revision of the femoralis group of Blepharoneura Loew (Diptera: Tephritidae) 2374, Zootaxa 2374 (1), pp. 1-139 : 112-113 112-113
Neoacanthoneura geomyzina   sp. nov.  Kameneva, Elena P., 2012, Revision of Aciuroides Hendel and Neoacanthoneura Hendel (Diptera: Ulidiidae: Pterocallini), Zootaxa 3227, pp. 1-33 : 28-29 28-29
Dohrniphora nigricarina   sp. nov.  Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 56 56
Enderleinphora fuscohalterata   comb. nov.  Disney, R. Henry L., 2004, Genera resembling Beckerina Malloch (Diptera: Phoridae), Zootaxa 518 (1), pp. 1-28 : 16-17 16-17
Mesembrinella zurquiensis   sp. nov.  Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 108-109 108-109
Himantigera nigrifemorata     Fachin, Diego Aguilar & Hauser, Martin, 2018, Taxonomic revision of the Neotropical genus Himantigera James, 1982 (Diptera: Stratiomyidae: Sarginae), including the description of two new species and a key to the known species, Zootaxa 4531 (4), pp. 451-498 : 458-459 458-459
Embates pauhans   sp. nov.  Prena, Jens, 2005, The Middle American species of Embates Chevrolat (Coleoptera: Curculionidae: Baridinae), Zootaxa 1100 (1), pp. 1-151 : 1-151 1-151
Dohrniphora lafondaensis   sp. nov.  Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 19 19
Enderleinphora hansoni   sp. nov.  Disney, R. Henry L., 2004, Genera resembling Beckerina Malloch (Diptera: Phoridae), Zootaxa 518 (1), pp. 1-28 : 17-19 17-19
Gonatocerus (Gonatocerus) mexicanus     Triapitsyn, Serguei V., Huber, John T., Logarzo, Guillermo A., Berezovskiy, Vladimir V. & Aquino, Daniel A., 2010, Review of Gonatocerus (Hymenoptera: Mymaridae) in the Neotropical region, with description of eleven new species, Zootaxa 2456, pp. 1-243 : 31-34 31-34
Neopleurophora lamasi   sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 48 48
Melaloncha erinacea   sp. nov.  Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 49-50 49-50
Ostracocoelia mirabilis     Norrbom, Allen L., Sutton, Bruce D., Steck, Gary J. & Monzón, José, 2010, New genera, species and host plant records of Nearctic and Neotropical Tephritidae (Diptera) 2398, Zootaxa 2398, pp. 1-65 : 28-29 28-29
Coniceromyia puntarenensis   sp. nov.  Ament, Danilo César, Kung, Giar-Ann & Brown, Brian V., 2020, Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus, Zootaxa 4830 (1), pp. 1-61 : 37-38 37-38
Dohrniphora selenis   sp. nov.  Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 82 82
Dohrniphora amacayavia   sp. nov.  Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 64-66 64-66
Laneella fusconitida   sp. nov.  Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 24-27 24-27
Dohrniphora ocellifrons   sp. nov.  Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 39 39
Laneella purpurea   sp. nov.  Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 42-43 42-43
Dohrniphora nebulisilvensis   sp. nov.  Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 118 118
Melaloncha zurquiensis   sp. nov.  Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 36-37 36-37
Brownphora sinefurca   comb. nov.  Disney, R. Henry L., 2004, Genera resembling Beckerina Malloch (Diptera: Phoridae), Zootaxa 518 (1), pp. 1-28 : 14-15 14-15
Coniceromyia convergens     Ament, Danilo César, Kung, Giar-Ann & Brown, Brian V., 2020, Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus, Zootaxa 4830 (1), pp. 1-61 : 55 55
Novalena approximata     Maya-Morales, Julieta & Jiménez, María Luisa, 2017, Revision of the funnel-web spider genus Novalena (Araneae: Agelenidae), Zootaxa 4262 (1), pp. 1-88 : 12-15 12-15
Corethrella (Corethrella) ranapungens   sp. nov.  Published, First, 2008, The Frog-Biting Midges of the World (Corethrellidae: Diptera), Zootaxa 1804, pp. 1-456 : 160-163 160-163
Micromorphus caudatus   stat. nov.  Bickel, Daniel J., 2022, Notes on the genus Micromorphus Mik (Diptera: Dolichopodidae) and the uncertain identity of its type species, M. albipes (Zetterstedt), Zootaxa 5125 (4), pp. 437-444 : 439-442 439-442
Corethrella (Corethrella) puella     Published, First, 2008, The Frog-Biting Midges of the World (Corethrellidae: Diptera), Zootaxa 1804, pp. 1-456 : 166-169 166-169
Corethrella (Corethrella) appendiculata     Published, First, 2008, The Frog-Biting Midges of the World (Corethrellidae: Diptera), Zootaxa 1804, pp. 1-456 : 139-145 139-145
Specklinia barbelifera   sp. nov.  Karremans, Adam, Salguero, Grettel, Bogarín, Diego, Oses, Lizbeth & Cedeño-Fonseca, Marco, 2020, Illustrations and studies in Neotropical Orchidaceae: the Specklinia brighamii group (Pleurothallidinae) in Costa Rica, Phytotaxa 447 (1), pp. 16-30 : 20-23 20-23
Hyphessobrycon savagei     Ota, Renata R., Carvalho, Fernando R. & Pavanelli, Carla S., 2020, Taxonomic review of the Hyphessobrycon panamensis species-group (Characiformes: Characidae), Zootaxa 4751 (3), pp. 401-436 : 427-430 427-430
Paepalanthus pilosus subsp. var. var. pilosus     Hensold, Nancy, 2016, The Andean Paepalanthus pilosus complex (Eriocaulaceae): a revision with three new taxa, PhytoKeys 64, pp. 1-57 : 33-40 33-40
Orasema minutissima     Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107 : 62-71 62-71
Fortipalpa heredia   sp. nov.  Supeleto, Fernanda A., Santos, Bernardo F. & Aguiar, Alexandre P., 2022, Revision of Fortipalpa Kasparyan & Ruíz-Cancino, (Ichneumonidae, Cryptinae), Zootaxa 5219 (6), pp. 501-533 : 512-515 512-515
Brachylinga bicolor   sp. nov.  Webb, Donald W. & Metz, Mark A., 2006, A Revision of the New World Genera Brachylinga Irwin and Lyneborg and Lysilinga Irwin and Lyneborg (Diptera: Therevidae: Therevinae) with the Description of a New Genus, Elcaribe Webb, Zootaxa 1288 (1288), pp. 1-241 : 52-55 52-55
Morellia diversipalpis     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 11 11
Grotiusomyia nigricans     Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 42-43 42-43
Grotiusomyia hansoni   sp. nov.  Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 49-50 49-50
Cheiloneurus nintra   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 283-285 283-285
Prochiloneurus zunigai   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 488-490 488-490
Adelencyrtus plocus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 36-38 36-38
Coccidencyrtus ochraceipes     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 110-111 110-111
Paranisopodus thalassinus   sp. nov.  Santos-Silva, Antonio & Devesa, Sergio, 2021, New species and new records in American Acanthocinini (Coleoptera, Cerambycidae, Lamiinae), Zootaxa 4942 (4), pp. 569-582 : 578-581 578-581
Scipopus (Scipopus) calocephalus     Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 32-35 32-35
Symplocos naniflora     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Lithocharodes curtipennis     Irmler, Ulrich, 2024, Additions to Neotropical species of the genera Lithocharodes Sharp, 1881 and Somoleptus Sharp, 1881 (Coleoptera, Staphylinidae), Contributions to Entomology 74 (1), pp. 13-34 : 13 13
Osoriellus micros   comb. nov.  Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 278-279 278-279
Stenus penicillus   sp. nov.  Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1628-1629 1628-1629
Miconia approximata   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 51-57 51-57
Polyplectropus paradelphae     Chamorro, Maria Lourdes & Holzenthal, Ralph W., 2010, 2582, Zootaxa 2582, pp. 1-252 : 207-209 207-209
Neodexiopsis emmesa     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 111 111
Neodexiopsis obtusiloba     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 114 114
Diglyphomorphomyia costulata   sp. nov.  Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 326-327 326-327
Galeopsomyia collina   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 87-88 87-88
Megaloprepus caerulatus     Feindt, Wiebke & Hadrys, Heike, 2022, The damselfly genus Megaloprepus (Odonata: Pseudostigmatidae): Revalidation and delimitation of species-level taxa including the description of one new species, Zootaxa 5115 (4), pp. 487-510 : 498-500 498-500
Protium brenesii   comb. nov.  Santamaria-Aguilar, Daniel & Lagomarsino, Laura P., 2017, Two new species and a new combination in Protium (Burseraceae) from Costa Rica, PhytoKeys 76, pp. 89-113 : 102-106 102-106
Leptocera fulva     Buck, Matthias & Marshall, Stephen A., 2009, Revision of New World Leptocera Olivier (Diptera, Sphaeroceridae), Zootaxa 2039 (1), pp. 1-139 : 104-107 104-107
Pilea matama   sp. nov.  Monro, A. K., 2009, A new species of Pilea (Urticaceae) from the Talamanca Mountains, Costa Rica, Phytotaxa 2, pp. 24-28 : 25-28 25-28
Brachiacantha nubes   sp. nov.  Nestor-Arriola, Jorge Ismael, Toledo-Hernandez, Victor Hugo, Solis, Angel, Gonzalez, Guillermo & Vetrovec, Jaroslav, 2021, The Brachiacantha Dejean, 1837 (Coleoptera, Coccinellidae) of Central America, ZooKeys 1024, pp. 157-196 : 157 157
Tricorythodes sordidus     Baumgardner, David E. & Ávila, Socorro, 2006, Cabecar serratus, a new genus and species of leptohyphid mayfly from Central America, and description of the imaginal stages of Tricorythodes sordidus Allen (Ephemeroptera: Leptohyphidae), Zootaxa 1187 (1), pp. 47-59 : 54-57 54-57
Azteca gnava     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 34-35 34-35
Megapsyrassa testacea     Santos-Silva, Antonio & Galileo, Maria Helena M., 2016, Description of a new species of Adetus and of the female of Wappesoeme camiri, new records and updates to type depository for three species of Amphicnaeia Bates (Coleoptera, Cerambycidae), Revista Brasileira de Entomologia 60 (4), pp. 297-301 : 300 300
Paragrallomyia nodulosa   sp. nov.  Ferro, Gustavo Borges & Marshall, Stephen A., 2020, A redefinition of Paragrallomyia Hendel (Diptera: Micropezidae, Taeniapterinae) and a revision of the P. albibasis complex, Zootaxa 4822 (1), pp. 39-70 : 57-58 57-58
Nigripeza octa   sp. nov.  Marshall, Stephen A., 2022, Amapeza and Nigripeza, new genera of Neotropical micropezid flies (Diptera, Micropezidae, Taeniapterinae), Zootaxa 5092 (3), pp. 251-272 : 269-270 269-270
Paragrallomyia pseudoalbibasis   sp. nov.  Ferro, Gustavo Borges & Marshall, Stephen A., 2020, A redefinition of Paragrallomyia Hendel (Diptera: Micropezidae, Taeniapterinae) and a revision of the P. albibasis complex, Zootaxa 4822 (1), pp. 39-70 : 58-60 58-60
Syringogaster figurata   sp. nov.  Marshall, S. A., Buck, M., Skevington, J. H. & Grimaldi, D., 2009, A revision of the family Syringogastridae (Diptera: Diopsoidea), Zootaxa 1996 (1), pp. 1-80 : 43-46 43-46
Azotoctla punctata     Cardona-Duque, Juliana & Franz, Nico M., 2012, Description and phylogeny of a new Neotropical genus of Acalyptini (Coleoptera: Curculionidae: Curculioninae) associated with the staminodes of Cyclanthaceae, Zoological Journal of the Linnean Society 166 (3), pp. 559-623 : 577-581 577-581
Ganoderma ecuadorense     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Neopleurophora acrochaetopyga   sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 19-20 19-20
Coniceromyia globosa     Ament, Danilo César & Amorim, Dalton De Souza, 2016, Taxonomic revision of Coniceromyia Borgmeier (Diptera: Phoridae), with the description of three new species from Brazil, Zootaxa 4086 (1), pp. 1-87 : 36-37 36-37
Bithoracochaeta flavicoxa     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 102 102
Epicadus tigrinus   sp. nov.  Machado, Miguel, Teixeira, Renato Augusto & Lise, Arno Antonio, 2018, There and back again: More on the taxonomy of the crab spiders genus Epicadus (Thomisidae: Stephanopinae), Zootaxa 4382 (3), pp. 501-530 : 519-522 519-522
Anacroneuria suerre     Bravo, Francisco, Romero, David, Gutiérrez-Fonseca, Pablo E. & Echeverría-Sáenz, Silvia, 2019, The description of Anacroneuria suerre sp. nov. from Costa Rica (Plecoptera: Perlidae) and using nymphs in ecotoxicological studies, Zootaxa 4608 (2), pp. 357-364 : 359-362 359-362
Cyphorhinus lawrencii subsp. infuscatus     LeCROY, M. A. R. Y., 2003, TYPE SPECIMENS OF BIRDS IN THE AMERICAN MUSEUM OF NATURAL HISTORY. PART 5. PASSERIFORMES: ALAUDIDAE, HIRUNDINIDAE, MOTACILLIDAE, CAMPEPHAGIDAE, PYCNONOTIDAE, IRENIDAE, LANIIDAE, VANGIDAE, BOMBYCILLIDAE, DULIDAE, CINCLIDAE, TROGLODYTIDAE, AND MIMIDAE, Bulletin of the American Museum of Natural History 278 (278), pp. 1-156 : 124 124
Guapinannus falcis   sp. nov.  Frankenberg, Sarah, Knyshov, Alexander, Hoey-Chamberlain, Rochelle & Weirauch, Christiane, 2021, Taxonomic revision of Guapinannus Wygodzinsky, 1951 (Hemiptera: Schizopteridae), with description of 19 new species, Zootaxa 4958 (1), pp. 261-286 : 272 272
Myrmelachista longiceps   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 33-36 33-36
Neopleurophora prionotopyga   sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 17 17
Coniceromyia impluvia     Ament, Danilo César & Amorim, Dalton De Souza, 2016, Taxonomic revision of Coniceromyia Borgmeier (Diptera: Phoridae), with the description of three new species from Brazil, Zootaxa 4086 (1), pp. 1-87 : 37 37
Macgrathphora caribbea   sp. nov.  Brown, Brian V., 2022, Two new genera of phorid flies, Macgrathphora and Aurisetiphora, from Costa Rica (Diptera: Phoridae), with recommendations for naming new genera in the family, Zootaxa 5115 (4), pp. 571-581 : 574-575 574-575
Cheiloneurus bion   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 352-353 352-353
Cheiloneurus magnolia   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 213-215 213-215
Gahaniella chaldenes   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 549-551 549-551
Cheiloneurus semis   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 235-237 235-237
Homalopoda carpha   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 67-69 67-69
Heteragrion majus     Ramírez, Alonso & Gutiérrez-Fonseca, Pablo E., 2013, The larvae of Heteragrion majus Selys and H. atrolineatum Donnelly, with a key to known species from Costa Rica (Odonata: Megapodagrionidae), Zootaxa 3609 (1), pp. 96-100 : 97-98 97-98
Otostigmus fossulatus     Thofern, Detlef, Dupérré, Nadine & Harms, Danilo, 2021, An annotated type catalogue of the centipedes (Myriapoda: Chilopoda) held in the Zoological Museum Hamburg, Zootaxa 4977 (1), pp. 1-103 : 63-64 63-64
Orixia philotes   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 147-148 147-148
Closterocerus angustipennis   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 21-22 21-22
Galeopsomyia nigricans   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 412-413 412-413
Myrmelachista nigrocotea   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 40-42 40-42
Closterocerus eulampis   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 47-48 47-48
Miconia magnifolia   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 91-95 91-95
Orasema evansi   sp. nov.  Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107 : 33-47 33-47
Plagiocephalus latifrons     Vasconcelos, Ana Caroline O., Wendt, Lisiane D. & de Carvalho, Claudio J. B., 2019, Taxonomic revision of the Neotropical stalk-eyed fly Plagiocephalus Wiedemann (Diptera, Ulidiidae, Ulidiinae), Revista Brasileira de Entomologia 63 (1), pp. 80-90 : 86-88 86-88
Nyssodesmus python     Golovatch, Sergei I., Korotayeva, Alyona M. & Martínez-Torres, Daniela, 2024, Three species of the millipede family Platyrhacidae from Costa Rica: a new Barydesmus Cook, 1896 and two oldest Nyssodesmus Cook, 1896 (Diplopoda Polydesmida), Zootaxa 5538 (5), pp. 424-438 : 431-432 431-432
Couepia hallwachsiae   sp. nov.  Santamaria-Aguilar, Daniel & Lagomarsino, Laura. P., 2015, Synopsis of Couepia (Chrysobalanaceae) in Costa Rica, with a description of two new species, Phytotaxa 233 (1), pp. 69-79 : 70-72 70-72
Oospila ehakernae   sp. nov.  Lindt, Aare, Hausmann, Axel & Viidalepp, Jaan, 2018, Review of some species groups of the genus Oospila Warren, with descriptions of nine new species (Lepidoptera: Geometridae: Geometrinae), Zootaxa 4497 (2), pp. 151-194 : 165-166 165-166
Miconia aurantiaca   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 60-62 60-62
Triaenodes delicatus     Holzenthal, Ralph W. & Contents, Trond Andersen Table Of, 2004, The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae), Zootaxa 511 (1), pp. 1-80 : 20-23 20-23
Fidicinoides coffea   sp. nov.  Sanborn, Allen F., Moore, Thomas E. & Young, Allen M., 2008, Two new cicada species from Costa Rica (Hemiptera: Cicadomorpha: Cicadidae) with a key to the species of Fidicinoides in Costa Rica, Zootaxa 1846, pp. 1-20 : 3-10 3-10
Phylloicus lituratus     PRATHER, AYSHA L., 2003, Revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae), Zootaxa 275 (1), pp. 1-214 : 62-65 62-65
Miconia laxivenula   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 85-90 85-90
Mucomyia emersa   sp. nov.  Kvifte, Gunnar Mikalsen, Curler, Gregory R. & Marshall, Stephen A., 2018, Aquatic insects in the forest canopy: a new genus of moth flies (Diptera: Psychodidae) developing in slime on aerial roots, Journal of Natural History 52 (3 - 4), pp. 137-153 : 140-146 140-146

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