Galeopsomyia eroica Hansson & Hanson 2023, sp.nov.

Galeopsomyia eroica Hansson sp.nov.

(Figs 216, 217, 1048)

Diagnosis (female). Antenna with F1 3.0×, F2 2.8×, F3 2.3× as long as wide (Fig. 1048); mesoscutellum (Fig. 216) with weak reticulation and elongate meshes, submedian grooves distinct and slightly curved; coxae dark brown, fore and mid tibiae dark brown with apex yellowish-white, hind tibia yellowish-white with median one-third dark brown (Fig. 217); hind femur 4.6× as long as wide; petiole a narrow band; gaster (Fig. 216) 2.3× as long as wide; gonoplac 0.6× as long as length of hind femur (Fig. 217).

Female holotype: length of body 2.0mm (paratypes 2.0– 2.5mm).

Scape yellowish-brown, pedicel and flagellum dark brown. Face below level of toruli includingclypeus dark brown, frons and vertex dark brown with metallic blue and purple tinges, antennal scrobes dark brown. Thoracic dorsum dark brown with metallic tinges. Legs with coxae and femora dark brown; trochanters pale brown; fore and mid tibiae dark brown with apex yellowish-white, hind tibia yellowish-white with median one-third dark brown; T1–3 yellowish-white to yellowish-brown, T4 dark brown. Wings hyaline, veins yellowish-brown. Petiole yellowish-brown. Gaster dark brown; gonoplac black.

Face below level of toruli with weak reticulation, clypeus smooth, frons with strong reticulation, antennal scrobes with weak reticulation. Vertex with weak reticulation inside ocellar triangle, with strong reticulation outside triangle; occipital margin with an edge behind ocellar triangle.

Mesoscutum with strong reticulation, sidelobes with isodiametric meshes and midlobe with elongate meshes; midlobe with three adnotaular setae in a single row, and with a weak median groove in posterior half. Mesoscutellum with weak reticulation and elongate meshes; with submedian grooves distinct and slightly curved. Axillae with weak reticulation, shiny. Dorsellum with strong reticulation. Medio-posterior propodeum with longitudinal carinae reaching half-way up on propodeum. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with three setae on dorsal surface of submarginal vein; speculum closed.

Petiole very short, just a narrow band. Gaster elongate; Gt 1 with weak reticulation and shiny, remaining tergites with strong reticulation.

Relative measurements: head length, dorsal view 20.5; head length, frontal view 35; POL 7.5; OOL 6.5; lateral ocellus diameter 3.5; head width 41; mouth width 12.5; malar space 12; eye length 19; scape length 17; scape width 3.5; pedicel+flagellum length 50; pedicel length 7; pedicel width, dorsal view 3; F1 length 9; F1 width 3; F2 length 8.5; F2 width 3; F3 length 7; F3 width 3; clava length 16; clava width 4; C3 length 6; spicule length 1.5; mesosoma length 56; mesosoma width 35; midlobe of mesoscutum length 19; mesoscutellum length 19.5; mesoscutellum width 17; median part of mesoscutellum width (measured medially) 7; median part of mesoscutellum, width in anterior part 6.5; median part of mesoscutellum, width in posterior part 8; lateral part of mesoscutellum, width (measured medially) 2.5; dorsellum length 2; propodeum length 10; costal cell length 26; costal cell width (measured at widest part) 2; marginal vein length 34; stigmal vein length 9; gaster length 81; gaster width 35; Gt 2 length (measured medially) 6; Gt 4 length (measured medially) 11; Gt 7 length (measured medially) 11; Gt

7 width (measured at base) 12; longest cercal seta length 11; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Alajuela, 5km W San Ramón on Route 1, 1200m, viii–ix.1995, P. Hanson (NHMUK). Paratypes: 2♀ with same label data as holotype (MZLU, MZUCR).