Eriastichus pallidops, 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 pallidops sp. nov. Figures 50 , 59

Type locality.

Costa Rica, Cartago, Humo, El Copal, 9°47'N, 83°45'W, 1050-1250 m, 29.ii-6.iii.2008, C. Hansson leg.

Type specimen.

Holotype male dried and glued to a paper card. Original labels: "Costa Rica, Cartago, Humo, El Copal, 9°47'N, 83°45'W, 1050-1250 m, 29.ii-6.iii.2008, C. Hansson", "HOLOTYPE Eriastichus pallidops Hansson" [red printed label], (MZLU:7045.1).

Additional type material.

Paratypes 2♂ with same label data as holotype (MZUCR:01695, NHMUK014431062).

Diagnosis

(male). Head with lower ½ yellowish brown (Fig. 59 ); antenna (Fig. 50 ): scape yellowish brown, ventral plaque on scape 0.7 × as long as scape, antenna with dorsobasal setae on F1 0.4 × as long as F1; gaster with lateral tufts of pale and flattened setae on Gt5-6.

Description

(male holotype MZLU:7045.1). Length of body 1.9 mm (paratypes 1.5-1.7 mm). Head yellowish brown with upper ½ of frons pale brown, vertex and upper ½ of occiput dark brown. Antenna with scape yellowish brown with dorsal margin pale brown, ventral plaque black; pedicel and flagellum brown. Mesoscutum and mesoscutellum black with metallic tinges; dorsellum pale brown; propodeum dark brown. Legs yellowish brown with base of hind coxa and 4th tarsomere dark brown. Gaster dark brown.

Head. Length/width in frontal view 0.7; width/length in dorsal view 2.2; POL/OOL 1.8; WM/MS 1.7; MS/HE 0.5; HE/head length in frontal view 0.6; widths head/mesoscutum 1.1. Antenna. Pedicel + flagellum length/mesoscutum width 1.5; pedicel + flagellum length/head width 1.4; lengths scape/ventral plaque 1.4; ventral plaque located slightly above the middle of scape; scape length/width 2.8; lengths scape/head (dorsal view) 0.6; scape length/HE 0.9; length/width F1, F2, F3, F4, clava: 2.3, 2.0, 1.8, 1.8, 4.0; length dorsobasal setae on F1/length F1 0.4. Mesosoma. Length/width 1.6; mesoscutum length/width 0.5; mesoscutellum length/width 0.7; widths SMG/SLG 1.2; enclosed space between SMG length/width 1.8; lengths mesoscutum/mesoscutellum 1.2; lengths mesoscutellum/dorsellum 2.7; lengths mesosoma/gaster 0.8. Wings. CC length/width 19.3; lengths CC/MV 1.1; lengths MV/ST 2.2; lengths MV/PM 3.7; lengths PM/ST 0.6; submarginal vein with ten setae on dorsal surface (8-9 setae in paratypes). Gaster. With lateral tufts of pale and flattened setae on Gt5-6.

Etymology.

Named for the yellowish brown lower face.

Figures

Figures 41 - 50. Eriastichus spp. head and antenna in lateral view, male holotypes 41 E. nexilis 42 E. oasis 43 E. ononis 44 E. novalis 45 E. nugalis 46 E. parabilis 47 E. rivalis 48 E. sodalis 49 E. orestis 50 E. pallidops.

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.