Galeopsomyia abra Hansson sp.nov.

(Figs 242, 243, 732)

Diagnosis (female). Antenna (Fig. 732) with scape yellowish-white, pedicel and flagellum yellowish-brown, clava solid; genal carina present; mesoscutellum (Fig. 242) with submedian grooves slightly diverging towards posterior part, median part with weak reticulation, with median groove indicated; propodeum (Fig. 242) with strong reticulation; gaster (Fig. 242) ovate, 1.5× as long as wide, tergites with strong reticulation; body black with metallic purple tinges (Figs 242, 243).

Female holotype: length of body 1.3mm (paratype 1.6mm).

Scape yellowish-white, pedicel and flagellum yellowish-brown. Head with frons black with metallic bluish tinges, clypeus dark brown; vertex black with metallic bluish tinges. Mesosoma black with metallic purplish tinges. Legs with coxae dark brown, hind coxa with posterior part black; trochanters and femora yellowish-brown; tibiae and tarsi yellowish-white, T4 yellowish-brown. Petiole black. Gaster black, Gt 1 with weak metallic blue tinges.

Antenna with solid clava. Face below level of toruli with weak reticulation, clypeus smooth, frons with strong reticulation, antennal scrobes with weak reticulation; with genal carina. Vertex with strong reticulation outside ocellar triangle, rugose inside ocellar triangle.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with five adnotaular setae in one row. Mesoscutellum with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate; submedian grooves distinct, straight and diverging slightly towards posterior part, with a weak but complete median groove; with three setae scattered over lateral parts. Dorsellum with strong sculpture, without median carina. Propodeum with a narrow median carina; with strong reticulation; callus with two setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with two setae on dorsal surface of submarginal vein; speculum closed; costal setal row unbroken.

Petiole transverse with strong sculpture on dorsal part. Gaster ovate; tergites with strong reticulation.

Relative measurements: head length, dorsal view 18; head length, frontal view 28; POL 7.5; OOL 4.5; lateral ocellus diameter 3; head width 38; mouth width 11; malar space 9.5; eye length 17; scape length 15; scape width 3; pedicel+flagellum length 38; pedicel length 5; pedicel width, dorsal view 3; F1 length 5.5; F1 width 3; F2 length 6; F2 width 3.2; F3 length 5.5; F3 width 3.5; clava length 14; clava width 4; C3 length 4.5; spicule length 1; mesosoma length 42; mesosoma width 32; midlobe of mesoscutum length 14; mesoscutellum length 16; mesoscutellum width 16; median part of mesoscutellum width (measured medially) 5.5; median part of mesoscutellum, width in anterior part 5; median part of mesoscutellum, width in posterior part 6.5; lateral part of mesoscutellum, width (measured medially) 4; dorsellum length 2; propodeum length 7; costal cell length 23; costal cell width (measured at widest part) 1.5; marginal vein length 20; stigmal vein length 7; gaster length 45; gaster width 30; Gt 2 length (measured medially) 7; Gt 4 length (measured medially) 8; Gt 7 length (measured medially) 3; Gt

7 width (measured at base) 9; longest cercal seta length 11; shortest cercal seta length 4.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Guanacaste, 18km N Liberia, Buena Vista Lodge, 10º48’N, 85º24’W, 770m, 15-17.ii.2016, J.S. Noyes (NHMUK) . Paratype: 1♀ with same label data as holotype (MZLU) .