Eriastichus johnlasallei, 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 johnlasallei sp. nov. Figure 37

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 johnlasallei Hansson" [red printed label], (MZLU:7038.1).

Diagnosis

(male). Head and antenna dark brown; ventral plaque on scape ca. 0.2 × as long as scape (Fig. 37 ), antenna with dorsobasal setae on F1 0.8 × as long as F1; gaster with lateral tufts of pale and flattened setae on Gt6.

Description

(male holotype MZLU:7038.1). Length of body 1.5 mm. Head and antenna dark brown, ventral plaque black. Mesoscutum, mesoscutellum and propodeum dark brown; dorsellum pale brown. Legs yellowish brown, coxae and hind femur brown. Gaster dark brown.

Head. Length/width in frontal view 0.7; width/length in dorsal view 2.3; POL/OOL 2.0; WM/MS 1.7; MS/HE 0.5; HE/head length in frontal view 0.6; widths head/mesoscutum 1.2. Antenna. Pedicel + flagellum length/mesoscutum width 2.0; pedicel + flagellum length/head width 1.7; lengths scape/ventral plaque 4.7; ventral plaque located in the middle of scape; scape length/width 3.5; lengths scape/head (dorsal view) 0.6; scape length/HE 0.9; length/width F1, F2, F3, F4, clava: 2.5, 2.7, 2.8, 2.8, 6.2; length dorsobasal setae on F1/length F1 0.8. Mesosoma. Length/width 1.5; mesoscutum length/width 0.5; mesoscutellum length/width 0.8; widths SMG/SLG 1.6; enclosed space between SMG length/width 1.9; lengths mesoscutum/mesoscutellum 1.2; lengths mesoscutellum/dorsellum 3.6; lengths mesosoma/gaster 0.9. Wings. CC length/width 24.0; lengths CC/MV 0.9; lengths MV/ST 2.2; lengths MV/PM 4.7; lengths PM/ST 0.5; submarginal vein with seven setae on dorsal surface. Gaster. With lateral tufts of pale and flattened setae on Gt6.

Etymology.

Named after John La Salle, fellow eulophid taxonomist who described Eriastichus .

Figures

Figures 35 - 40. Eriastichus spp. head and antenna in lateral view, male holotypes 35 E. hilaris 36 E. maniatis 37 E. johnlasallei 38 E. nebulis 39 E. neonis 40 E. johnnoyesi.