Galeopsomyia carinata Hansson sp.nov.

(Figs 76, 77, 702)

Diagnosis (female). Antennal clava with a weak constriction between C1 and C2 (Fig. 702); genal carina present; mesoscutellum (Fig. 76) with strong reticulation, meshes isodiametric, submedian grooves very weak, running parallel with and close to lateral margins of mesoscutellum; fore coxa with a sharp edge along posterior margin, and hind coxa with a carina along posterior margin; gaster (Fig. 76) elongate and laterally compressed, 4.3× as long as wide and 0.6× as wide as width of mesoscutum.

Female holotype: length of body 2.1mm.

Scape yellowish-brown with dorsal edge dark brown, pedicel and flagellum dark brown. Head with frons including scrobes golden-green, clypeus dark brown; vertex metallic bluish-green. Thoracic dorsum metallic golden-green with blue tinges. Legs with fore and mid coxae dark brown, hind coxa black with metallic tinges; trochanters and femora dark brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt 1 golden-green with posterior margin metallic purplish, remaining tergites metallic purple; gonoplac black.

Antenna with a weak constriction between C1 and C2. 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.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe without a median groove, with five setae in two rows close to notauli. Mesoscutellum with strong reticulation, meshes isodiametric; submedian grooves very weak, running parallel with and close to lateral margins of mesoscutellum. Dorsellum with strong sculpture. Propodeum with a strong median carina; callus with two setae. Fore and mid coxae with weak reticulation, hind coxa with strong reticulation; fore coxa with a sharp edge along posterior margin and hind coxa with a carina along posterior margin. Fore wing with three setae on dorsal surface of submarginal vein; speculum open below; costal setal row unbroken.

Petiole very short, just a narrow band. Gaster elongate and laterally compressed; medio-basal Gt 1 without transverse edge or carina dorsally, Gt 1 with weak reticulation and shiny, remaining tergites with strong reticulation.

Relative measurements: head length, dorsal view 18; head length, frontal view 35; POL 9.5; OOL 5; lateral ocellus diameter 3.5; head width 40; mouth width nm; malar space 11; eye length 18; scape length 15; scape width 3.5; pedicel+flagellum length 43; pedicel length 7.5; pedicel width, dorsal view 3.5; F1 length 7; F1 width 4; F2 length 6; F2 width 4; F3 length 6; F3 width 4; clava length 14.5; clava width 5; C3 length 6; spicule length 1.5; mesosoma length 48; mesosoma width 35; midlobe of mesoscutum length 18; mesoscutellum length 19; mesoscutellum width 17.5; median part of mesoscutellum width (measured medially) nm; median part of mesoscutellum, width in anterior part nm; median part of mesoscutellum, width in posterior part nm; lateral part of mesoscutellum, width (measured medially) nm; dorsellum length 2; propodeum length 8; costal cell length 32; costal cell width (measured at widest part) 1.5; marginal vein length 29; stigmal vein length 10; gaster length 96; gaster width 22.5; Gt 2 length (measured medially) 4; Gt 4 length (measured medially) 14; Gt 7 length (measured medially) 14; Gt 7 width (measured at base) 11; longest cercal seta length 11; shortest cercal seta length 5.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Cartago, Collblanco near Turrialba, 1750m, 16.iii.1990, J.S. Noyes (NHMUK).

Etymology. From the Latin carinata = with carina, referring to carina on fore and hind coxae.