Galeopsomyia preta Hansson & Hanson 2023, sp.nov.

Galeopsomyia preta Hansson sp.nov.

(Figs 590, 591, 863)

Diagnosis (female). Antenna short and stout, clava solid (Fig. 863); genal carina present; mesoscutellum (Fig. 590) with weak reticulation on median part and a weak ±complete median groove, lateral parts with strong reticulation, meshes elongate, submedian grooves distinct, straight and parallel; dorsellum with a weak indistinct median carina; with strong reticulation, callus with four setae; gaster (Fig. 590) 1.6× as long as wide, tergites with strong reticulation, gonoplac short, not protruding beyond apex of Gt7 (Fig. 591); body black, mesoscutellum and propodeum with metallic tinges (Figs 590, 591).

Female holotype: length of body 1.3mm.

Scape yellowish-brown, pedicel brown, flagellum dark brown. Head black with metallic tinges, clypeus dark brown. Mesosoma black, mesoscutellum and propodeum with bluish tinges. Legs with fore and mid coxae dark brown, hind coxa black; trochanters yellowish-brown; femora with basal two-thirds dark brown and apical one-third yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster black; gonoplac black.

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 weak reticulation outside ocellar triangle, with strong reticulation inside ocellar triangle.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with a weak but complete median groove, and with nine scattered adnotaular setae. Mesoscutellum with weak reticulation on median part and a weak ±complete median groove, lateral parts with strong reticulation, meshes elongate; submedian grooves distinct, straight and parallel; with eight setae scattered over lateral parts. Dorsellum with strong sculpture, with a weak indistinct median carina. Propodeum with a strong and narrow median carina; with strong reticulation; callus with four setae. 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; costal setal row broken.

Petiole transverse. Gaster ovate; tergites with strong reticulation.

Relative measurements: head length, dorsal view 17; head length, frontal view 27; POL 7; OOL 5; lateral ocellus diameter 3.5; head width 35; mouth width 10.5; malar space 9.5; eye length 15; scape length 15; scape width 3; pedicel+flagellum length 33; pedicel length 4.5; pedicel width, dorsal view 3; F1 length 6; F1 width 3.5; F2 length 5; F2 width 4; F3 length 4.5; F3 width 4; clava length 11; clava width 5; C3 length 4; spicule length 1; mesosoma length 38; mesosoma width 30; midlobe of mesoscutum length 14; mesoscutellum length 13.5; mesoscutellum width 14; median part of mesoscutellum width (measured medially) 5.5; median part of mesoscutellum, width in anterior part 5.5; median part of mesoscutellum, width in posterior part 5.5; lateral part of mesoscutellum, width (measured medially) 3.5; dorsellum length 2.5; propodeum length 8.5; costal cell length 19; costal cell width (measured at widest part) 1.5; marginal vein length 21; stigmal vein length 6.5; gaster length 45; gaster width 28; Gt 2 length (measured medially) 5.5; Gt 4 length (measured medially) 9; Gt 7 length (measured medially) 3.5; Gt

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

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Puntarenas, Parque Nacional Corcovado, Estación el Tigre, LS 277800_ 529600, 34m, 19.i.2003, J. Azofeifa (NHMUK).