Galeopsomyia cernia Hansson sp.nov.

(Figs 334, 335, 765)

Diagnosis (female). Antennal clava with distinct constriction between C1 and C2 (Fig. 765); genal carina present; mesoscutellum (Fig. 334) with median part with very weak reticulation, without a median groove, outer margin of submedian grooves absent except in very posterior part, grooves with transverse and strong carinae, lateral parts with strong reticulation; dorsellum with median carina; propodeum (Fig. 334) with median part with strong irregular carinae, lateral parts with strong reticulation, callus with two setae; petiole transverse with strong sculpture on dorsal part; gaster (Fig. 334) 2.5× as long as wide, medio-basal Gt1 with longitudinal carinae laterally, Gt1 with weak reticulation, remaining tergites with relatively strong reticulation.

Female holotype: length of body 1.8mm (paratype 2.1mm).

Scape yellowish-brown with dorsal edge brown, pedicel and flagellum dark brown. Head with frons black with metallic bluish-green tinges, clypeus dark brown; vertex black with metallic tinges. Mesoscutum and propodeum black with metallic tinges, mesoscutellum black with bluish-green tinges. Legs with coxae dark brown; trochanters and tibiae yellowish-brown; femora dark brown with apex yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt1 dark brown with bluish tinges, Gt2-6 dark brown, Gt7 black; gonoplac black.

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

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe, midlobe rugose on part close to notauli; midlobe without a median groove, with eight scattered setae on rugose parts. Mesoscutellum with median part with very weak reticulation, without a median groove; outer margin of submedian grooves absent except in very posterior part, grooves with transverse and strong carinae; lateral parts with strong reticulation and with five scattered setae. Dorsellum smooth, with median carina. Propodeum with a strong median carina that expands posteriorly; median part with strong irregular carinae, lateral parts with strong reticulation; callus with two setae. Fore and mid coxae with weak reticulation, hind coxa with strong reticulation. Fore wing with 3&4 setae on dorsal surface of submarginal vein; speculum closed; costal setal row unbroken.

Petiole transverse with strong sculpture on dorsal part. Gaster elongate; medio-basal Gt1 with longitudinal carinae laterally; Gt1 with weak reticulation, remaining tergites with relatively strong reticulation.

Relative measurements: head length, dorsal view 18; head length, frontal view 30; POL 9; OOL 6.5; lateral ocellus diameter 3.2; head width 41; mouth width 13; malar space 10.5; eye length 17.5; scape length 15; scape width 3.5; pedicel+flagellum length 49; pedicel length 6; pedicel width, dorsal view 3.5; F1 length 7; F1 width 4; F2 length 8; F2 width 4; F3 length 7.5; F3 width 4; clava length 17.5; clava width 5; C3 length 6; spicule length 2; mesosoma length 50; mesosoma width 36; midlobe of mesoscutum length 20; mesoscutellum length 19.5; mesoscutellum width 16; 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 7.5; lateral part of mesoscutellum, width (measured medially) 3.5; dorsellum length 4; propodeum length 9; costal cell length 29; costal cell width (measured at widest part) 2; marginal vein length 29; stigmal vein length 10; gaster length 75; gaster width 30; Gt 2 length (measured medially) 7.4; Gt 4 length (measured medially) 13.5; Gt 7 length (measured medially) 9; Gt

7 width (measured at base) 10; longest cercal seta length 16; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Puntarenas, San Vito, Las Cruces, 8º46’N, 82º57’W, 1300m, 15-16. ii.2012, J.S. Noyes (NHMUK) . Paratype 1♀ with same label data as holotype (MZLU) .