Tetrastichus agonus, Hansson & Schmidt, 2020

Hansson, Christer & Schmidt, Stefan, 2020, A revision of European species of the genus Tetrastichus Haliday (Hymenoptera: Eulophidae) using integrative taxonomy, Biodiversity Data Journal 8, pp. 59177-59177 : 59177

Tetrastichus agonus sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-E09; catalogNumber: BC-ZSM-HYM-25460-E09 ; recordNumber: BC-ZSM-HYM-25460-E09; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-25460-E09; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in MZLU; Location: country: Sweden; decimalLatitude: 55.6983; decimalLongitude: 13.4994; Record Level: type: PhysicalObject; language: en; institutionCode: MZLU; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-21587-C08; catalogNumber: BC-ZSM-HYM-21587-C08 ; recordNumber: BC-ZSM-HYM-21587-C08; recordedBy: C.Hansson; individualID: BC-ZSM-HYM-21587-C08; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.84; decimalLongitude: 13.58; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-20721-F08; catalogNumber: BC-ZSM-HYM-20721-F08 ; recordNumber: BC-ZSM-HYM-20721-F08; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-F08; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.533; decimalLongitude: 12.917; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-20721-E10; catalogNumber: BC-ZSM-HYM-20721-E10 ; recordNumber: BC-ZSM-HYM-20721-E10; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-E10; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.7; decimalLongitude: 13.517; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-G12; catalogNumber: BC-ZSM-HYM-25460-G12 ; recordNumber: BC-ZSM-HYM-25460-G12; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-25460-G12; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.6967; decimalLongitude: 13.4408; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-F04; catalogNumber: BC-ZSM-HYM-25460-F04 ; recordNumber: BC-ZSM-HYM-25460-F04; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-25460-F04; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.6983; decimalLongitude: 13.4994; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-E11; catalogNumber: BC-ZSM-HYM-25460-E11 ; recordNumber: BC-ZSM-HYM-25460-E11; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-25460-E11; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.6983; decimalLongitude: 13.4994; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-E04; catalogNumber: BC-ZSM-HYM-25460-E04 ; recordNumber: BC-ZSM-HYM-25460-E04; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-25460-E04; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.6983; decimalLongitude: 13.4994; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-D05; catalogNumber: BC-ZSM-HYM-25460-D05 ; recordNumber: BC-ZSM-HYM-25460-D05; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-25460-D05; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.6983; decimalLongitude: 13.4994; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-E06; catalogNumber: BC-ZSM-HYM-25460-E06 ; recordNumber: BC-ZSM-HYM-25460-E06; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-25460-E06; individualCount: 1; sex: F; lifeStage: a; reproductiveCondition: S; associatedMedia: http://www.boldsystems.org/pics/BCHYM/BC-ZSM-HYM-25460-E06+1449268384.jpg; Taxon: scientificName: Tetrastichusagonus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichus; Location: country: Sweden; locality: Krankesjoen, Fiskeplats ; decimalLatitude: 55.6983; decimalLongitude: 13.4994; Identification: identifiedBy: Christer Hansson

Description

FEMALE holotype (Fig. 55). Body length 2.0 mm (paratypes 1.6-2.0 mm). Head. Width/length in dorsal view 2.5, width/length in frontal view 1.2, POL/OOL 1.7, widths head/mesosoma 1.0, mouth width/malar space 0.9, malar space/eye height 0.9. Antenna. Scape length/eye height 0.9, pedicel+flagellum length/mesosoma width 1.2, length/width F1, F2, F3 2.3, 2.0, 2.0, clava length/width 3.3, lengths pedicel/F1 0.6, lengths F1/F2 1.1, F1/F3 1.1, lengths F1, F2, F3/clava 0.6, 0.6, 0.6, widths F1/pedicel (dorsal view) 1.1, lengths antennal spicule/C3 0.2. Mesosoma. Length/width 1.4, mesoscutal mid-lobe length/width 1.0 (width measured in anterior part), mid-lobe with a median groove in posterior ½, with six adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.4, mesoscutellum length/width 0.8, length/width of enclosed space between submedian grooves 2.5, distance between SMG/distance between SMG and SLG 1.4, lengths dorsellum/propodeum (measured medially) 0.7, propodeal callus with six setae. Fore wing. Costal cell length/width 7.4, lengths costal cell/marginal vein 0.9, lengths marginal/stigmal veins 3.3. Gaster. Elongate-acuminate, length/width 1.4, lengths gaster/mesosoma 0.9, Gt7 length/width 0.5, length of longest cercal seta/next longest seta 1.6, longest cercal seta curved, ovipositor sheaths reach apex of Gt7, but not beyond.

Colour. Head and mesosoma with golden tinges, gaster metallic blue, entire antenna dark brown, tegulae black, wings hyaline with venation yellowish-brown, coxae and femora golden-green, trochanters black, tibiae yellowish-brown, tarsi yellowish-brown with T4 brown.

MALE. Body length 1.7 mm. Head. Width/length in dorsal view 2.5, width/length in frontal view 1.3, eye height/malar space 1.3, mouth width/malar space 1.0, widths head/mesosoma 1.1. Antenna. F1-F4 with basal whorls of setae, reaching beyond apex of corresponding flagellomere, whorled setae on F1 1.4 × as long as F1 length, scape length/eye height 0.9, scape length/width 2.4, ventral plaque placed centrally, lengths ventral plaque/scape 0.7, pedicel+flagellum length/mesosoma width 1.8, length/width F1, F2, F3, F4 1.5, 1.9, 2.0, 2.0, clava length/width 5.0, lengths pedicel/F1 2.4, lengths F1/F2 0.8, F1/F3 0.8, F1/F4 0.8, lengths F1, F2, F3 F4 /clava 0.3, 0.4, 0.4, 0.4.

Colour. Entire body with golden-green tinges, mid and hind tibiae dark brown. Otherwise as in female.

Diagnosis

Very similar to T. miser , but the male differs in having whorled setae of F1-F4 reaching slightly beyond the tip of funicular attached to; female tentatively separated through characters mentioned in the key.

Distribution

Sweden.

Ecology

Host

Unknown.

Notes

Holotype deposited in MZLU, paratypes in MZLU, NHM, ZSM.