Eriastichus drupis, 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 drupis sp. nov. Figure 26

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 drupis Hansson" [red printed label], (NHMUK014431031).

Diagnosis

(male). Head dark brown, scape and pedicel pale brown, flagellum brown; ventral plaque on scape ca. 0.4 × as long as scape (Fig. 26 ), antenna with dorsobasal setae on F1 0.8 × as long as F1; gaster with lateral tufts of pale and flattened setae on Gt5-6.

Description

(male holotype NHMUK014431031). Length of body 1.4 mm. Head dark brown, scape and pedicel pale brown, flagellum brown, ventral plaque dark brown. Mesoscutum and mesoscutellum black with metallic tinges, dorsellum pale brown, propodeum dark brown. Legs with hind coxa and hind femur dark brown, fore and mid coxae yellowish brown with base brown, remaining parts of legs yellowish brown. Gaster dark brown.

Head. Length/width in frontal view 0.8; width/length in dorsal view 2.2; POL/OOL 1.8; WM/MS 1.6; MS/HE 0.5; HE/head length in frontal view 0.6; widths head/mesoscutum 1.3. Antenna. Pedicel + flagellum length/mesoscutum width 1.7; pedicel + flagellum length/head width 1.6; lengths scape/ventral plaque 2.8; ventral plaque located below the middle of scape; scape length/width 3.1; lengths scape/head (dorsal view) 0.5; scape length/HE 0.9; length/width F1, F2, F3, F4, clava: 2.7, 2.3, 2.3, 2.2, 5.3; length dorsobasal setae on F1/length F1 0.8. Mesosoma. Length/width 1.5; mesoscutum length/width 0.5; mesoscutellum length/width 0.7; widths SMG/SLG 1.1; enclosed space between SMG length/width 2.1; lengths mesoscutum/mesoscutellum 1.3; lengths mesoscutellum/dorsellum 3.1; lengths mesosoma/gaster 0.9. Wings. CC length/width 22.5; lengths CC/MV 1.1; lengths MV/ST 1.9; lengths MV/PM 4.8; lengths PM/ST 0.4; submarginal vein with six setae on dorsal surface. Gaster. With lateral tufts of pale and flattened setae on Gt5-6.

Figures

Figures 18 - 27. Eriastichus spp. head and antenna in lateral view, male holotypes 18 E. decoris 19 E. denotatis 20 E. dotaensis 21 E. derilis 22 E. diadrys 23 E. ebulis 24 E. egrestis 25 E. ellipsis 26 E. drupis 27 E. eleagnis.