Eriastichus ebulis, 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 ebulis sp. nov. Figures 8 , 10 , 23

Type locality.

Costa Rica, San José, San Gerardo de Dota, 9°33'N, 83°47'W, 20-21.ii.2013, J.S. Noyes leg.

Type specimen.

Holotype male dried and glued to a paper card. Original labels: "Costa Rica, San José, San Gerardo de Dota, 20-21.ii.2013, J.S. Noyes, NHM (Ent) 2012-91", "HOLOTYPE Eriastichus ebulis Hansson" [red printed label], (NHMUK014431032).

Additional type material.

Paratypes (4♂♂): 2♂♂ with same label data as holotype (NHMUK014431033, NHMUK014431034); 2♂♂ "Costa Rica, Cartago, Humo, El Copal, 9°47'N, 83°45'W, 1050-1250 m, 29.ii-6.iii.2008, C. Hansson" (MZLU:7035.2, MZUCR:01693).

Diagnosis

(male). Head dark brown, antenna brown; ventral plaque on scape ca. 0.3 × as long as scape (Fig. 23 ), antenna with dorsobasal setae on F1 0.5 × as long as F1; gaster with lateral tufts of pale and flattened setae on Gt5-6.

Description

(male holotype NHMUK014431032). Length of body 1.5 mm (paratypes 1.6-2.0 mm). Head dark brown, antenna brown, ventral plaque black. Mesoscutum and mesoscutellum black with metallic tinges, dorsellum and propodeum black. Legs with coxae, femora and 4th tarsomere on all legs dark brown, trochanters, tibiae and tarsomeres 1-4 yellowish brown. Gaster dark brown.

Head. Length/width in frontal view 0.8; width/length in dorsal view 2.0; POL/OOL 1.5; WM/MS 1.4; MS/HE 0.6; HE/head length in frontal view 0.6; widths head/mesoscutum 1.0. Antenna. Pedicel + flagellum length/mesoscutum width 2.3; pedicel + flagellum length/head width 1.9; lengths scape/ventral plaque 3.0; ventral plaque located in 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: 3.2, 3.0, 3.0, 3.0, 7.8; length dorsobasal setae on F1/length F1 0.5. Mesosoma. Length/width 1.8; mesoscutum length/width 0.8; mesoscutellum length/width 0.8; widths SMG/SLG 1.6; enclosed space between SMG length/width 2.2; lengths mesoscutum/mesoscutellum 1.6; lengths mesoscutellum/dorsellum 2.7; lengths mesosoma/gaster 0.8. Wings. CC length/width 26.0; lengths CC/MV 1.0; lengths MV/ST 1.9; lengths MV/PM 7.4; lengths PM/ST 0.3; submarginal vein with seven setae (5-9 setae in paratypes) on dorsal surface. Gaster. With lateral tufts of pale and flattened setae on Gt5-6.

Figures

Figures 7 - 10. Eriastichus spp. 7, 8 gaster in lateral view: 7 E. sp., female 8 E. ebulis, male paratype 9, 10 Gt 6 in lateral view, with brush of flattened setae: 9 E. sp., female 10 E. ebulis, male paratype.

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.