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laetus, Taxa Only, Exact Match: 99 Treatments

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Delfimeus laetus     Hassan, Muhammad Asghar, Oswald, John D., Zia, Ahmed & Liu, Xingyue, 2019, Neuropterida (Insecta: Megaloptera, Raphidioptera, Neuroptera) of Pakistan: a catalogue and faunistic review, Zootaxa 4686 (4), pp. 497-541 : 522 522
Termitozophilus laetus     Zilberman, Bruno, 2019, Synopsis of the genus Termitozophilus Silvestri (Coleoptera, Staphylinidae, Aleocharinae, Corotocini), Zootaxa 4614 (1), pp. 95-116 : 97-100 97-100
Conocephalus (Chloroxiphidion) laetus     Gupta, Sunil Kumar & Chandra, Kailash, 2018, Systematic study of Tettigoniidae (Orthoptera: Insecta) fauna from Chhattisgarh, India, Records of the Zoological Survey of India 118 (4), pp. 325-336 : 327 327
Zelotes laetus     Sherwood, Danniella, Marusik, Yuri M., Sharp, Adam & Ashmole, Philip, 2023, A survey of Gnaphosidae (Arachnida, Araneae) from Ascension Island with description of a new species of Australoechemus Schmidt & Piepho, 1994, African Invertebrates 64 (3), pp. 291-302 : 291 291
Schizanthus laetus     Morales-Fierro, Vanezza, Munoz-Schick, Melica & Moreira-Munoz, Andres, 2020, Synopsis of Schizanthus Ruiz & Pav. (Solanaceae), a genus endemic to the southern Andes, PhytoKeys 154, pp. 57-102 : 57 57
Coleus laetus   comb. nov.  Paton, Alan J., Mwanyambo, Montfort, Govaerts, Rafael H. A., Smitha, Kokkaraniyil, Suddee, Somran, Phillipson, Peter B., Wilson, Trevor C., Forster, Paul I. & Culham, Alastair, 2019, Nomenclatural changes in Coleus and Plectranthus (Lamiaceae): a tale of more than two genera, PhytoKeys 129, pp. 1-158 : 54 54
Conocephalus (Chloroxiphidion) laetus     Nagar, Rajendra, Swaminathan, Rajamani & Meena, Ashok Kumar, 2023, Checklist of Tettigoniidae (Orthoptera: Ensifera) from India, Zootaxa 5336 (3), pp. 349-372 : 351 351
Palarus laetus     Gadallah, Neveen S., 2020, Biodiversity of the aculeate wasps (Hymenoptera: Aculeata) of the Arabian Peninsula: Apoidea (Spheciformes), Crabronidae, Zootaxa 4754 (1), pp. 20-73 : 20-73 20-73
Paramenexenus laetus     Brock, Paul D., Marshall, Judith A., Beccaloni, George W. & Harman, Allan J. E., 2016, The types of Phasmida in the Natural History Museum, London, UK, Zootaxa 4179 (2), pp. 151-208 : 179 179
Perissus laetus     Gupta, Rajeev & Vitali, Francesco, 2017, The checklist of longhorn beetles (Coleoptera: Cerambycidae) from India, Zootaxa 4345 (1), pp. 1-317 : 54 54
Molorchus laetus     Gupta, Rajeev & Vitali, Francesco, 2017, The checklist of longhorn beetles (Coleoptera: Cerambycidae) from India, Zootaxa 4345 (1), pp. 1-317 : 69 69
Zelotes laetus     Alioua, Youcef & Bosmans, Robert, 2024, Spiders of arid lands: The Ghardaïa region (Northern Sahara) with seven new records for Algeria, Zootaxa 5497 (3), pp. 301-336 : 311 311
Hydrodessus laetus   sp. n.  Miller, Kelly B., 2016, Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini), ZooKeys 580, pp. 45-124 : 86-87 86-87
Torymus laetus     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Kristotomus laetus     Yurtcan, M., Kolarov, J. & Beyarslan, A., 2006, Tryphoninae species from Turkish Aegean region (Hymenoptera, Ichneumonidae), Linzer biologische Beiträge 38 (1), pp. 985-990 : 988 988
Sciapus laetus     Pollet, Marc, Andrade, Rui, Gonçalves, Ana, Andrade, Pedro, Jacinto, Valter, Almeida, Jorge, Braekeleer, Anja De, Calster, Hans Van & Brosens, Dimitri, 2019, Dipterological surveys in Portugal unveil 200 species of long-legged flies, with over 170 new to the country (Diptera: Dolichopodidae), Zootaxa 4649 (1), pp. 1-69 : 51 51
Thrypticus laetus     Negrobov, Oleg P. & Naglis, Stefan, 2020, Two new species of Thrypticus Gerstäcker from Turkey (Diptera, Dolichopodidae) with checklist and key to Palaearctic species, Zootaxa 4858 (1), pp. 111-125 : 119 119
Conocephalus laetus     Hugel, Sylvain, 2009, Gryllacrididae and Tettigoniidae (Insecta, Orthoptera, Ensifera) from Espiritu Santo, Vanuatu, Zoosystema 31 (3), pp. 525-576 : 564 564
Dacnochilus laetus     Navarrete-Heredia, José Luis, Gómez-Rodríguez, Cecilia & Newton, Alfred F., 2006, Staphylinidae (Insecta: Coleoptera) of the Biologia Centrali-Americana: Current status of the names, Zootaxa 1251 (1251), pp. 1-70 : 45 45
Cephaloplopus laetus   gen. nov.  Frank H. Hennemann, Oskar V. Conle & Daniel E. Perez-Gelabert, 2016, Studies on Neotropical Phasmatodea XVI: Revision of Haplopodini Günther, 1953 (rev. stat.), with notes on the subfamily Cladomorphinae Bradley & Galil, 1977 and the descriptions of a new tribe, four new genera and nine new species (Phasmatodea: “ Anareolatae ”: Phasmatidae: Cladomorphinae), Zootaxa 4128 (1), pp. 1-211 : 52-54 52-54
Anisodactylus laetus     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 654 654
Amblydromalus laetus     Moraes, Gilberto José De, Barbosa, Marina Ferraz De Camargo & Castro, Tatiane Marie Martins Gomes De, 2013, Phytoseiidae (Acari: Mesostigmata) from natural ecosystems in the State of São Paulo, Brazil, Zootaxa 3700 (3), pp. 301-347 : 317 317
Oxycoleus laetus     Monné, Miguel A. & Monné, Marcela L., 2016, Checklist of Cerambycidae (Coleoptera) primary types of the Museu Nacional, Rio de Janeiro, Brazil, with a brief history of the collection, Zootaxa 4110 (1), pp. 1-90 : 27 27
Torymus laetus     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Characiformes   new species  Cope, Edward Drinker, 1872, On the fishes of the Ambyiacu River, Proceedings of the Academy of Natural Sciences of Philadelphia 23, pp. 250-294 : 257 257
Onthophagus laetus     Strümpher, Gimo M. Daniel Werner P. & Josso, Jean-François, 2023, Dung beetle fauna from Mount Mabu, Mozambique. Part 1: A new species of Onthophagus Latreille, 1802, and a checklist of species belonging to group 3 (d’Orbigny 1913) (Coleoptera: Scarabaeidae: Scarabaeinae), Zootaxa 5258 (4), pp. 429-442 : 438 438
Stirellus laetus     Duan, Yani, Zhang, Yating & Dietrich, Christopher H., 2019, Six new species of Stenometopiini (Hemiptera: Cicadellidae: Deltocephalinae) with redescription of additional species and new distributional records, Zootaxa 4603 (2), pp. 201-240 : 220 220
Jeremiodes laetus     Hennemann, Frank H. & Conle, Oskar V., 2024, Studies on Neotropical Phasmatodea XXVI: Taxonomic review of Cladomorformia tax. n., a lineage of Diapheromerinae stick insects, with the descriptions of seven new genera and 41 new species (Phasmatodea: Occidophasmata: Diapheromerinae), Zootaxa 5444 (1), pp. 1-454 : 84 84
Thrypticus laetus     Kejval, Zbyněk & Pollet, Marc, 2024, Long-legged flies (Diptera: Dolichopodidae) in the Czech Republic- 2. Corindia and Thrypticus, Zootaxa 5432 (3), pp. 411-424 : 419-420 419-420
Aethiopicodynerus laetus     Usenleitner, Gusenleitner, J. & Madl, M., 2009, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part I: Introduction, Key to Genera, Genera Aethiopicodynerus GUSENLEITNER 1997 to Cyrtolabulus van der VECHT 1969, Linzer biologische Beiträge 41 (1), pp. 513-638 : 522 522
Anomiopus laetus     Hielkema, Auke J. & Hielkema, Meindert A., 2019, An annotated checklist of the Scarabaeoidea (Insecta: Coleoptera) of the Guianas, Insecta Mundi 732 (732), pp. 1-306 : 59 59
Mecyclothorax laetus     Liebherr, James K., 2015, The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakala-, Maui: Keystone of a hyperdiverse Hawaiian radiation, ZooKeys 544, pp. 1-407 : 139-140 139-140
Pholetesor laetus     Broad, Gavin R., Shaw, Mark R. & Godfray, H. Charles J., 2016, Checklist of British and Irish Hymenoptera - Braconidae, Biodiversity Data Journal 4, pp. 8151-8151 : 8151 8151
Cryptocephalus laetus     Ruchin, Alexaner B., Egorov, Leonid V., Alekseev, Sergei K., Semishin, Gennadiy B. & Esin, Mikhail N., 2021, Notes on the fauna of beetles (Insecta, Coleoptera) adjacent to the territory of the Mordovia State Nature Reserve, Amurian Zoological Journal XIII (1), pp. 12-35 : 29 29
Ceraticelus laetus     Dean, David Allen, 2016, Catalogue of Texas spiders, ZooKeys 570, pp. 1-703 : 188 188
Orthorhinus laetus     Kuschel, Guillermo, 2008, Curculionoidea (weevils) of New Caledonia and Vanuatu: Basal families and some Curculionidae, Mémoires du Muséum national d'Histoire naturelle 197, pp. 99-250 : 199 199
Isocyrtus laetus     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Hymenoptera   new species  Walker, Francis, 1833, Monographia Chalciditum. (Continued.), The Entomological Magazine 1, pp. 115-142 : 115-142 115-142
Podocarpus laetus     Molloy, B. P. J., 2015, The correct name for the New Zealand endemic conifer Hall’s totara (Araucariales: Podocarpaceae), Phytotaxa 220 (2), pp. 101-116 : 112 112
Zelotes laetus     Dean, David Allen, 2016, Catalogue of Texas spiders, ZooKeys 570, pp. 1-703 : 166 166
Nacaeus laetus     Asenjo, Angélico, e, Sistemática, de, Bioecologia, Coleoptera, Zoologia, Federal, Universidade, Cep, Curitiba, Irmler, Ulrich, Klimaszewski, Jan, Herman, Lee H. & Chandler, Donald S., 2013, A complete checklist with new records and geographical distribution of the rove beetles (Coleoptera, Staphylinidae) of Brazil, Insecta Mundi 2013 (277), pp. 1-419 : 170 170
Ceutorhynchus laetus     Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), Zootaxa 4404 (1), pp. 1-494 : 452 452
Cerdistus laetus     Tomasovic, Guy, Constant, Jérôme & Rasmont, 1802, Notes on Oriental Asilidae with six new species from Vietnam (Diptera: Brachycera), Belgian Journal of Entomology 47, pp. 1-23 : 1-23 1-23
Coleoptera   new species  Ito, Noboru, 2013, Four new species of the genus Oxycentrus from Asia (Coleoptera: Carabidae: Harpalini), Bulletin of the Osaka Museum of Natural History 67, pp. 1-9 : 4 4
Podocarpus laetus     Molloy, B. P. J., 2015, The correct name for the New Zealand endemic conifer Hall’s totara (Araucariales: Podocarpaceae), Phytotaxa 220 (2), pp. 101-116 : 103-104 103-104
Pirangoclytus laetus     Clarke, Robin & Zamalloa, Sonia, 2018, Bolivian anthophilous Cerambycinae (Coleoptera: Cerambycidae) host flower records, Insecta Mundi 2018 (640), pp. 1-35 : 9 9
Lepturges (Chaeturges) laetus     Monné, Miguel A., 2005, Catalogue of the Cerambycidae (Coleoptera) of the Neotropical Region. Part II. Subfamily Lamiinae, Zootaxa 1023 (1), pp. 1-760 : 1-760 1-760
Montrouzierellus laetus     Roell, Talita, Lemaître, Valérie A., Webb, Michael D. & Campos, Luiz A., 2023, An annotated and illustrated Type Catalogue of the predacious Shieldbugs (Hemiptera: Heteroptera: Pentatomidae: Asopinae) in the Collection of the Natural History Museum, London, Zootaxa 5232 (1), pp. 1-105 : 50 50
Hydrodessus laetus     Benetti, Cesar J., Michat, Mariano C. & Hamada, Neusa, 2020, Hydrodessus ducke sp. n. and new records of other species of the genus (Coleoptera, Dytiscidae, Bidessini), Zootaxa 4743 (1), pp. 47-60 : 51 51
Montrouzierellus laetus     Roell, Talita, Lemaître, Valérie A., Webb, Michael D. & Campos, Luiz A., 2023, An annotated and illustrated Type Catalogue of the predacious Shieldbugs (Hemiptera: Heteroptera: Pentatomidae: Asopinae) in the Collection of the Natural History Museum, London, Zootaxa 5232 (1), pp. 1-105 : 36 36
Amblydromalus laetus     Lofego, Antonio Carlos, Barbosa, Marina Ferraz De Camargo, Demite, Peterson Rodrigo & Moraes, Gilberto José De, 2024, Phytoseiidae (Acari: Mesostigmata) of the subfamily Amblyseiinae from Brazil, Zootaxa 5439 (1), pp. 1-306 : 155 155
Kristotomus laetus     Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Ichneumonidae, Biodiversity Data Journal 4, pp. 9042-9042 : 9042 9042
Lepturges (Chaeturges) laetus     De Barros, Rafael C., Da Fonseca, Mailson G., Vendramini, Vinicius E. & De Arvarenga Julio, Carlos E., 2019, Species of Lamiinae (Insecta, Coleoptera, Cerambycidae) from east Paraná State (Brazil), with new geographic records, Zootaxa 4545 (2), pp. 179-204 : 183 183
Paederus laetus     Navarrete-Heredia, José Luis, Gómez-Rodríguez, Cecilia & Newton, Alfred F., 2006, Staphylinidae (Insecta: Coleoptera) of the Biologia Centrali-Americana: Current status of the names, Zootaxa 1251 (1251), pp. 1-70 : 49 49
Kristotomus laetus     Ghahari, Hassan & Jussila, Reijo, 2016, Contribution to the knowledge of the fauna of Ichneumonidae (Hymenoptera: Ichneumonoidea) from Iran, Beiträge Zur Entomologie = Contributions to Entomology 66 (1), pp. 119-124 : 122 122
Heterosternuta laetus     Nilsson, Anders N., 2007, Some necessary corrections of the spelling of species-group names within the family Dytiscidae (Coleoptera), Zootaxa 1615, pp. 49-54 : 52 52
Stirellus laetus     Webb, Michael D. & Viraktamath, Chandra A., 2009, 2163, Zootaxa 2163, pp. 1-64 : 30 30
Turbo (Euninella) laetus     Herbert, David G., 2015, An annotated catalogue and bibliography of the taxonomy, synonymy and distribution of the Recent Vetigastropoda of South Africa (Mollusca), Zootaxa 4049 (1), pp. 1-98 : 70 70
Paramesius laetus     Notton, David G., 2014, A catalogue of the types of Diapriinae (Hymenoptera, Diapriidae) at the Natural History Museum, London, European Journal of Taxonomy 75, pp. 1-123 : 44 44
Euryparyphes laetus     Chobanov, Dragan & Massa, Bruno, 2022, On some Moroccan Pamphagidae, with the description of a new species of Euryparyphes (Orthoptera: Caelifera), Zootaxa 5104 (3), pp. 409-425 : 417 417
Saprinus (Saprinus) laetus     Lackner, Tomas & Leschen, Richard A. B., 2017, A monograph of the Australopacific Saprininae (Coleoptera, Histeridae), ZooKeys 689, pp. 1-263 : 125-134 125-134
Pristomerus laetus   sp. nov.  Klopfstein, Seraina, 2016, Revising Australian Pristomerus (Hymenoptera, Ichneumonidae, Cremastinae): species with a tooth on the hind femur, Zootaxa 4168 (2), pp. 201-238 : 221-222 221-222
Lineatopaussus laetus     Merene, Yeshitla, Lorenz, Wolfgang, Opgenoorth, Lars, Woldehawariat, Yitbarek & Schmidt, Joachim, 2023, Ground and tiger beetles (Coleoptera: Carabidae, Cicindelidae) of the Federal Democratic Republic of Ethiopia: a provisional faunistic checklist based on literature data, Zootaxa 5247 (1), pp. 1-345 : 68 68
Metrobates laetus     Moreira, Felipe Ferraz Figueiredo, Barbosa, Julianna Freires, Ribeiro, José Ricardo Inacio & Alecrim, Viviani Pereira, 2011, Checklist and distribution of semiaquatic and aquatic Heteroptera (Gerromorpha and Nepomorpha) occurring in Brazil 2958, Zootaxa 2958 (1), pp. 1-74 : 10 10
Notocupes laetus key    Strelnikova, O. D. & Yan, E. V., 2023, ON SPLITTING OF THE GENUS NOTOCUPES (COLEOPTERA: ARCHOSTEMATA): NEW DATA ON MORPHOLOGY AND TAXONOMY, Far Eastern Entomologist 488, pp. 1-28 : 19-20 19-20
Lamelligomphus laetus key    Wilson, Keith Duncan Peter & Xu, Zaifu, 2009, Gomphidae of Guangdong & Hong Kong, China (Odonata: Anisoptera) 2177, Zootaxa 2177, pp. 1-62 : 34-36 34-36
Lactarius luculentus var. laetus     Barge, Edward G. & Cripps, Cathy L., 2016, New reports, phylogenetic analysis, and a key to Lactarius Pers. in the Greater Yellowstone Ecosystem informed by molecular data, MycoKeys 15, pp. 1-58 : 44-45 44-45
Colastocoris laetus   new species  Miller, Norman Cecil Egerton, 1959, A new subfamily, new genera and new species of Reduviidae (Hemiptera-Heteroptera), Bulletin of the British Museum (Natural History). Entomology 8, No. 2, pp. 47-117 : 101 101
Trigonopterus laetus     Riedel, Alexander & Taenzler, Rene, 2016, Revision of the Australian species of the weevil genus Trigonopterus Fauvel, ZooKeys 556, pp. 97-162 : 127-128 127-128
Peridinetus laetus     Prena, Jens, 2010, The Middle American species of Peridinetus Schönherr (Coleoptera: Curculionidae: Baridinae), Zootaxa 2507, pp. 1-36 : 22-23 22-23
Pholetesor laetus     Liu, Zhen, He, Jun-Hua & Chen, Xue-Xin, 2016, The genus Pholetesor Mason, 1981 (Hymenoptera, Braconidae, Microgastrinae) from China, with descriptions of eleven new species, Zootaxa 4150 (4), pp. 351-387 : 363 363
Chrysops laetus     Wolff, Marta & Miranda-Esquivel, Daniel Rafael, 2016, FAMILY TABANIDAE, Zootaxa 4122 (1), pp. 249-301 : 251-252 251-252
Clavus laetus     Kilburn, Richard N., Fedosov, Alexander & Kantor, Yuri, 2014, The shallow-water New Caledonia Drilliidae of genus Clavus Montfort, 1810 (Mollusca: Gastropoda: Conoidea), Zootaxa 3818 (1), pp. 1-69 : 42 42
Atractides laetus     Gerecke, Reinhard, 2003, Water mites of the genus Atractides Koch, 1837 (Acari: Parasitengona: Hygrobatidae) in the western Palaearctic region: a revision, Zoological Journal of the Linnean Society 138, pp. 141-378 : 303-305 303-305
Bracon (Bracon) intercessor var. laetus     Papp, Jenő & Xviii, Budapest, 2012, A revision of the Bracon Fabricius species in Wesmael’s collection deposited in Brussels (Hymenoptera: Braconidae: Braconinae), European Journal of Taxonomy 21, pp. 1-154 : 133-134 133-134
Zelotes laetus     Maelfait, Jean-Pierre, Desender, Konjev, Hendrickx, Frederik, Dekoninck, Wouter, Berthet, Mado, Bouckaert, Katia, Caudron, Julien & Leclercq, Marylise, 2023, Updated checklist, origin, distribution, literature and genital drawings of the spiders of the Galápagos Islands, Belgian Journal of Entomology 142, pp. 1-188 : 10 10
Palarus laetus     Jahantigh, Fatemeh, Rakhshani, Ehsan, Mokhtari, Azizollah & Ramroodi, Sara, 2017, Catalogue of Ampulicidae, Crabronidae and Sphecidae of Iran (Hymenoptera, Apoidea), Zootaxa 4307 (1), pp. 1-96 : 69 69
Diptera   new species  Wiedemann, C. R. W., 1824, Munus rectoris in Academia Christiana Albertina aditurus analecta entomologica ex Museo Regio Havniensi maxime congesta profert iconibusque illustrat., Regio typographeo scholarum : -1 -1
Isocyrtus laetus     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Pirangoclytus laetus     Wappes, James E., Lingafelter, Steven W., Monné, Miguel A. & Arias, Julieta Ledezma, 2013, Additions to the known Vesperidae and Cerambycidae (Coleoptera) of Bolivia, Insecta Mundi 2013 (319), pp. 1-25 : 13 13
Acteon laetus     Valdés, Ángel, 2008, Deep-sea “ cephalaspidean ” heterobranchs (Gastropoda) from the tropical southwest Pacific, Mémoires du Muséum national d'Histoire naturelle 196, pp. 587-792 : 612-614 612-614
Bulimus laetus     Breure, Abraham S. H. & Ablett, Jonathan D., 2014, Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London, ZooKeys 392, pp. 1-367 : 84-85 84-85
Hymenoptera   new species  Fabricius, Johann Christian, 1793, Entomologia systematica emendata et aucta. Secundum classes, ordines, genera, species, adjectis synonimis, locis, observationibus, descriptionibus, C. G. Proft, Fil. et Soc. : 291 291
Perissus laetus     Mitra, Bulganin, Chakraborti, Udipta, Mallick, Kaushik, Bhaumik, Subhrajit & Das, Priyanka, 2017, An updated list of cerambycid beetles (Coleoptera: Cerambycidae) of Assam, India, Records of the Zoological Survey of India 117 (1), pp. 78-78 : 78--1 78--1
Hymenoptera   new species  Walker, Francis, 1833, Monographia Chalcidum [continued]., The Entomological Magazine 1, No. 5, pp. 455-466 : 455-466 455-466
Platypelis laetus   sp. nov.  Rakotoarison, Andolalao, Scherz, Mark D., Koehler, Joern, Ratsoavina, Fanomezana M., Hawlitschek, Oliver, Megson, Steven, Vences, Miguel & Glaw, Frank, 2020, Frogs of the genus Platypelis from the Sorata massif in northern Madagascar: description of a new species and reports of range extensions, Zoosystematics and Evolution 96 (1), pp. 263-274 : 263 263
Pholetesor laetus     Broad, Gavin R., Shaw, Mark R. & Godfray, H. Charles J., 2016, Checklist of British and Irish Hymenoptera - Braconidae, Biodiversity Data Journal 4, pp. 8151-8151 : 8151 8151
Palarus laetus     Madl, Michael, 2018, A preliminary catalogue of the Hymenoptera (Insecta) of the Republic of Djibouti, Linzer biologische Beiträge 50 (2), pp. 907-967 : 940-941 940-941
Sphecixenos laetus   comb. nov.  Benda, Daniel, Pohl, Hans, Nakase, Yuta, Beutel, Rolf & Straka, Jakub, 2022, A generic classification of Xenidae (Strepsiptera) based on the morphology of the female cephalothorax and male cephalotheca with a preliminary checklist of species, ZooKeys 1093, pp. 1-134 : 1 1
Ochicanthon laetus     Latha, Mathews, Cuccodoro, Giulio & Sabu, Thomas K., 2011, Taxonomy of the dung beetle genus Ochicanthon Vaz-de-Mello (Coleoptera: Scarabaeidae: Scarabaeinae) of the Indian subcontinent, with notes on distribution patterns and flightlessness, Zootaxa 2745, pp. 1-29 : 13 13
Hymenoptera   new species  Smith, David R., 2015, A NEW PRISTAULACUS KIEFFER (HYMENOPTERA: AULACIDAE) FROM MEXICO, Proceedings of the Entomological Society of Washington 117, No. 4, pp. 495-498 : 495-498 495-498
Palarus laetus     Madl, Michael, C, Bembecinus, F, Bembix & C, Brachystegus, 2023, A catalogue of the family Crabronidae (Hymenoptera, Apoidea) of Eritrea, Linzer biologische Beiträge 55 (1), pp. 241-264 : 246 246
Ulocyphaleus laetus   sp. nov.  Leschen, Richard A. B., Escalona, Hermes E. & Elgueta, Mario, 2016, Phylogeny of the Gondwanan beetle family Ulodidae (Tenebrionoidea), Zootaxa 4138 (3), pp. 441-473 : 454-467 454-467
Thyridanthrax laetus     Greathead, David J., 2006, New records of Namibian Bombyliidae (Diptera), with notes on some genera and descriptions of new species, Zootaxa 1149 (1), pp. 1-88 : 83-84 83-84
Nacaeus laetus     Irmler, Ulrich, 2015, Osoriinae of Cuba with description of new species and an identification key (Coleoptera: Staphylinidae), Acta Entomologica Musei Nationalis Pragae 55 (1), pp. 145-172 : 157 157
Diptera   new species  Meigen, Johann Wilhelm, 1824, Systematische Beschreibung der bekannten europäischen zweiflügeligen Insekten. Vierter Theil., Schulz-Wundermann : -1 -1
Palarus laetus     Madl, Michael, C, Bembecinus, F, Bembix & C, Brachystegus, 2023, A catalogue of the family Crabronidae (Hymenoptera, Apoidea) of Eritrea, Linzer biologische Beiträge 55 (1), pp. 241-264 : 246 246
Kristotomus laetus     Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Ichneumonidae, Biodiversity Data Journal 4, pp. 9042-9042 : 9042 9042
Pholetesor laetus     Liu, Zhen, He, Jun-Hua & Chen, Xue-Xin, 2016, The genus Pholetesor Mason, 1981 (Hymenoptera, Braconidae, Microgastrinae) from China, with descriptions of eleven new species, Zootaxa 4150 (4), pp. 351-387 : 363-366 363-366

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