Eriastichus vestis, Hansson, 2021

Hansson, Christer, 2021, The genus Eriastichus La Salle (Hymenoptera, Eulophidae, Tetrastichinae) in the Neotropical region, introducing 48 new species, ZooKeys 1019, pp. 35-91 : 35

Eriastichus vestis sp. nov. Figure 58

Type locality.

Costa Rica, Puntarenas, San Vito, Estación Biológica Las Alturas, 1500 m, 8°57'N, 82°50'W, 17-18.ii.2012, J.S. Noyes leg.

Type specimen.

Holotype male dried and glued to a paper card. Original labels: "COSTA RICA, Puntarenas, San Vito, E.B. Las Alturas, 1500 m, 8°57'N, 82°50'W, 17-18.ii.2012, J.S. Noyes, NHM (Ent) 2012-91", "HOLOTYPE Eriastichus vestis Hansson" [red printed label], (NHMUK014431074).

Diagnosis

(male). Head dark brown, scape and pedicel pale brown, flagellum brown; ventral plaque on scape ca. 0.3 × as long as scape (Fig. 58 ), 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 NHMUK014431074). Length of body 1.5 mm. Head dark brown, scape and pedicel pale brown, flagellum brown, ventral plaque dark brown. Mesoscutum, mesoscutellum and propodeum black with metallic tinges, dorsellum dark brown. Legs with coxae and femora dark brown, remaining parts of legs yellowish brown. Gaster dark brown.

Head. Length/width in frontal view 0.8; width/length in dorsal view 2.4; POL/OOL 1.9; WM/MS 1.5; MS/HE 0.6; HE/head length in frontal view 0.5; widths head/mesoscutum 1.0. Antenna. Pedicel + flagellum length/mesoscutum width 1.8; pedicel + flagellum length/head width 1.8; lengths scape/ventral plaque 2.9; ventral plaque located above the middle of scape; scape length/width 2.9; lengths scape/head (dorsal view) 0.5; scape length/HE 1.0; length/width F1, F2, F3, F4, clava: 3.0, 3.2, 3.0, 3.0, 7.4; length dorsobasal setae on F1/length F1 0.9. Mesosoma. Length/width 1.5; mesoscutum length/width 0.6; mesoscutellum length/width 0.7; widths SMG/SLG 1.5; enclosed space between SMG length/width 1.7; lengths mesoscutum/mesoscutellum 1.4; lengths mesoscutellum/dorsellum 2.5; lengths mesosoma/gaster 0.9. Wings. CC length/width 16.0; lengths CC/MV 1.0; lengths MV/ST 2.0; lengths MV/PM 5.3; lengths PM/ST 0.4; submarginal vein with five setae on dorsal surface. Gaster. With lateral tufts of pale and flattened setae on Gt6.

Figures

Figures 57 - 60. Eriastichus spp. 57, 58 head and antenna in lateral view, male holotypes: 57 E. tonioazofeifai 58 E. vestis; 59, 60 head in frontal view, male holotypes: 59 E. pallidops 60 E. denotatis.