Eriastichus nexilis
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Ordo: Hymenoptera
Familia: Eulophidae
Genus: Eriastichus
Name
Eriastichus nexilis Hansson, 2021 sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Type locality
Costa Rica, Heredia, Estación Biológica La Selva, 75 m, 10°26'N, 84°01'W, 28–29.ii.2008, J.S. Noyes leg.
Type specimen
Holotype male dried and glued to a paper card. Original labels: ”COSTA RICA, Heredia, E. La Selva, 75 m, 10°26'N, 84°01'W, 28–29.ii.2008, J.S. Noyes, NHM (Ent) 2010–21”, “HOLOTYPE Eriastichus nexilis Hansson” [red printed label], (NHMUK014431055).
Additional type material
Paratype 1♂ “Costa Rica, Cartago, Humo, El Copal, 9°47'N, 83°45'W, 1050–1250 m, 29.ii–6.iii.2008, C. Hansson” (MZLU:7041.2).
Diagnosis
(male). Head dark brown, scape pale brown, pedicel and flagellum brown; ventral plaque on scape ca. 0.2 × as long as scape (Fig. 41), antenna with dorsobasal setae on F1 0.9 × as long as F1; gaster with lateral tufts of pale and flattened setae on Gt6.
Description
(male holotype NHMUK014431055). Length of body 1.1 mm (paratype 1.2 mm). Head dark brown, scape pale brown, pedicel and flagellum brown, ventral plaque dark brown. Mesoscutum and mesoscutellum black with metallic tinges, dorsellum dark brown, propodeum black. Legs yellowish brown. Gaster dark brown.
Head. Length/width in frontal view 0.8; width/length in dorsal view 2.2; POL/OOL 2.0; WM/MS 1.6; MS/HE 0.5; HE/head length in frontal view 0.6; widths head/mesoscutum 1.1. Antenna. Pedicel + flagellum length/mesoscutum width 2.3; pedicel + flagellum length/head width 1.9; lengths scape/ventral plaque 4.2; ventral plaque located below the middle of scape; scape length/width 3.0; lengths scape/head (dorsal view) 0.5; scape length/HE 0.9; length/width F1, F2, F3, F4, clava: 3.3, 3.8, 3.5, 3.5, 8.5; length dorsobasal setae on F1/length F1 0.9. Mesosoma. Length/width 1.4; mesoscutum length/width 0.6; mesoscutellum length/width 0.8; widths SMG/SLG 1.1; enclosed space between SMG length/width 2.1; lengths mesoscutum/mesoscutellum 1.4; lengths mesoscutellum/dorsellum 3.2; lengths mesosoma/gaster 0.7. Wings.CC length/width 22.5; lengths CC/MV 1.1; lengths MV/ST 1.9; lengths MV/PM 4.0; lengths PM/ST 0.5; submarginal vein with six setae on dorsal surface (five setae in paratype). Gaster. With lateral tufts of pale and flattened setae on Gt6.
Original Description
- Hansson, C; 2021: The genus Eriastichus La Salle (Hymenoptera, Eulophidae, Tetrastichinae) in the Neotropical region, introducing 48 new species ZooKeys, 1019: 35-91. doi
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