Galeopsomyia abraxas Hansson sp.nov.

(Figs 244, 245, 1053)

Diagnosis (female). Antenna with a distinct constriction between C1 and C2 (Fig. 1053); mesoscutum (Fig. 244) with strong reticulation with elongate meshes and a median groove in posterior half; mesoscutellum (Fig. 244) with submedian grooves distinct only in posterior one-quarter to distinct throughout; dorsellum without median carina; propodeum (Fig. 244) with strong reticulation and irregular carinae, callus with five setae; gaster (Fig. 244) 2.2× as long as wide, medio-basal Gt 1 with a sharp transverse edge dorsally, tergites with strong small-meshed reticulation.

Female holotype: length of body 2.7mm (paratypes 2.4–2.7mm).

Scape yellowish-brown, pedicel dark brown, flagellum dark brown to black. Head with frons metallic bluish-green, clypeus dark brown; vertex metallic blue. Mesoscutum and mesoscutellum metallic bluish-green, propodeum golden-green. Legs with fore and hind coxae metallic bluish-green, mid coxa dark brown; trochanters yellowish-brown; fore and mid femora yellowish-brown, hind femur with basal half dark brown and apical half yellowish-brown; tibiae and tarsi yellowish-white, T4 pale brown. Petiole black. Gaster metallic bluish-green, Gt 2-5 metallic purple dorsally, Gt 7 black; gonoplac black.

Antenna with a distinct constriction between C1 and C2. Face below level of toruli with strong reticulation, clypeus smooth, frons rugose, antennal scrobes with weak reticulation; with genal carina. Vertex rugose outside ocellar triangle, with wrinkled sculpture inside ocellar triangle; with a carina between posterior ocelli in posterior part. Occipital margin ±carinate.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with a median groove in posterior half, and with 14 scattered adnotaular setae. Mesoscutellum with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate, and with seven scattered setae; submedian grooves distinct, slightly curved and ±parallel; median groove indicated but weak. Dorsellum with strong wrinkled sculpture, without median carina. Propodeum with a strong median carina that is expanding in posterior part; with strong irregular carinae and strong reticulation; callus with five setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with eight setae on dorsal surface of submarginal vein; speculum closed; costal setal row unbroken.

Petiole short, just a narrow band. Gaster elongate; medio-basal Gt 1 with a sharp transverse edge dorsally; tergites with strong reticulation.

Relative measurements: head length, dorsal view 24; head length, frontal view 43; POL 11; OOL 6; lateral ocellus diameter 6; head width 57; mouth width 15; malar space 15; eye length 25; scape length 21; scape width 5; pedicel+flagellum length 68; pedicel length 7.5; pedicel width, dorsal view 4.5; F1 length 10; F1 width 6; F2 length 12; F2 width 5.5; F3 length 11; F3 width 5.5; clava length 25; clava width 6; C3 length 8.5; spicule length 2.5; mesosoma length 77; mesosoma width 54; midlobe of mesoscutum length 28; mesoscutellum length 29; mesoscutellum width 25; median part of mesoscutellum width (measured medially) 10; median part of mesoscutellum, width in anterior part11; median part of mesoscutellum, width in posterior part 10.5; lateral part of mesoscutellum, width (measured medially) 5; dorsellum length 5; propodeum length 11; costal cell length 42; costal cell width (measured at widest part) 3.5; marginal vein length 44; stigmal vein length 12; gaster length 115; gaster width 53; Gt 2 length (measured medially) 11; Gt 4 length (measured medially) 22; Gt 7 length (measured medially) 13; Gt 7 width (measured at base) 15; longest cercal seta length broken; shortest cercal seta length 7.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Puntarenas, Estación Altamira, Sendero Los Gigantes, 9º02’N, 83º00’W, 1450m, 7.ii-5.iii.2002, swept, C. Hansson & Parataxonomos (MZLU). Paratypes 9♀ with same label data as holotype (CNC, MZLU, MZUCR, NHMUK).