Galeopsomyia umanai Hansson sp.nov.

(Figs 612, 613, 874)

Diagnosis (female). Antennal clava with distinct constriction between C1 and C2 (Fig. 874); genal carina present; mesoscutellum (Fig. 612) with weak reticulation on median part and without median groove, lateral parts with strong reticulation, meshes elongate, submedian grooves with outer margin indistinct, subdivided by transverse carinae, ±straight and ±parallel; dorsellum with median carina; propodeum (Fig. 612) medially with strong irregular carinae and laterally with strong reticulation, callus with two setae; petiole very short, just a narrow band; gaster (Fig. 612) 2.8× as long as wide, medio-basal Gt 1 with six longitudinal carinae; tergites with weak reticulation.

Female holotype: length of body 3.1mm.

Scape yellowish-brown with apico-dorsal part brown, pedicel and flagellum dark brown. Head with frons golden-green, clypeus dark brown, antennal scrobes black; vertex black with parts lateral to ocellar triangle with blue tinges. Thoracic dorsum black with golden and golden-green tinges. Legs with fore and mid coxae dark brown, hind coxa black; trochanters yellowish-brown; femora dark brown with apex yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt 1 black with golden-green tinges, Gt

2-7 black; gonoplac black.

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

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with a median groove in posterior two-thirds, and with 12 scattered adnotaular setae. Mesoscutellum with weak reticulation on median part and without a median groove, lateral parts with strong reticulation, meshes elongate; submedian grooves with outer margin indistinct, subdivided by transverse carinae, ±straight and ±parallel; with eight setae scattered over lateral parts. Dorsellum with weak sculpture, with median carina. Propodeum with a strong median carina that expands anteriorly and posteriorly; medially with strong irregular carinae and laterally with strong reticulation; callus with two setae. Fore and mid coxae with weak reticulation, hind coxa with strong reticulation. Fore wing with three setae on dorsal surface of submarginal vein; speculum closed; costal setal row unbroken.

Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with six longitudinal carinae; tergites with weak reticulation.

Relative measurements: head length, dorsal view 29; head length, frontal view 47; POL 11; OOL 7; lateral ocellus diameter 6; head width 60.5; mouth width 20; malar space 18; eye length 25.5; scape length 22; scape width 6; pedicel+flagellum length 73; pedicel length 8.5; pedicel width, dorsal view 4.5; F1 length 14; F1 width 6; F2 length 13; F2 width 6; F3 length 12; F3 width 6; clava length 23; clava width 6; C3 length 7; spicule length 2; mesosoma length 80; mesosoma width 53.5; midlobe of mesoscutum length 31.5; mesoscutellum length 28; mesoscutellum width 23.5; median part of mesoscutellum width (measured medially) 7.5; median part of mesoscutellum, width in anterior part 8.5; median part of mesoscutellum, width in posterior part 8.5; lateral part of mesoscutellum, width (measured medially) 5; dorsellum length 4; propodeum length 12; costal cell length 44; costal cell width (measured at widest part) 3; marginal vein length 42; stigmal vein length 11.5; gaster length 132; gaster width 47; Gt 2 length (measured medially) 11; Gt 4 length (measured medially) 31; Gt 7 length (measured medially) 19; Gt 7 width (measured at base) 16; longest cercal seta length 17; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Limón, Valle de la Estrella, Reserva Biológica Hitoy Cerere, Sendero Toma de Agua, LN 643400_ 184600, 100m, 19.x-19.xi.2000, malaise trap, F. Umaña (NHMUK).

Etymology. Named in honour of Francisco “Chico” Umaña, former parataxonomist at INBio and collector of type specimen.