Galeopsomyia estrella Hansson sp.nov.

(Figs 380, 381, 778)

Diagnosis (female). Antennal clava with a weak constriction between C1 and C2 (Fig. 778); genal carina present but weak; mesoscutellum (Fig. 380) with submedian grooves with outer margin indistinct and with transverse carinae, almost straight, median part with weak reticulation, without median groove, lateral parts with strong reticulation; dorsellum with median carina; propodeum (Fig. 380) predominantly with strong reticulation, callus with three setae; fore and mid coxae pale brown and hind coxa dark brown (Fig. 381); petiole transverse, dorsal part with strong sculpture, pale brown (Fig. 380); gaster (Fig. 380) 2.8× as long as wide, medio-basal Gt1 with several longitudinal carinae, tergites with strong reticulation.

Female holotype: length of body 2.8mm (paratype 2.7mm).

Scape yellowish-brown, pedicel pale brown, flagellum dark brown. Head with frons metallic blue, antennal scrobes mainly black, clypeus dark brown; vertex black. Mesosoma dark brown to black, mesoscutellum with weak metallic tinges. Legs with fore and mid coxae pale brown, hind coxa dark brown; trochanters yellowish-brown; femora brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 pale brown. Petiole pale brown. Gaster with Gt1-6 pale brown, Gt7 black; gonoplac black.

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

Mesoscutum with weak reticulation, midlobe rugose close to notauli, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with a weak median groove in posterior two-thirds, and with ten scattered setae on rugose parts. Mesoscutellum with submedian grooves with outer margin indistinct and with transverse carinae, almost straight, median part with very weak reticulation, lateral parts with strong reticulation, meshes elongate; with six setae scattered over lateral parts. Dorsellum with strong sculpture, with median carina. Propodeum with a strong median carina, with strong irregular carinae and strong reticulation; callus with three setae. Fore and mid coxae with weak reticulation, hind coxa with strong reticulation. Fore wing with four setae on dorsal surface of submarginal vein; speculum closed; costal setal row unbroken.

Petiole transverse, dorsal part with strong sculpture. Gaster elongate; medio-basal Gt 1 with several longitudinal short carinae; tergites with strong reticulation.

Relative measurements: head length, dorsal view 26; head length, frontal view 44; POL 10; OOL 6.5; lateral ocellus diameter 5.5; head width 55.5; mouth width 17.5; malar space 14.5; eye length 25; scape length 19.5; scape width 5; pedicel+flagellum length 67; pedicel length 8; pedicel width, dorsal view 4.5; F1 length 14; F1 width 5; F2 length 11; F2 width 5.5; F3 length 10.5; F3 width 5.5; clava length 21.5; clava width 6; C3 length 6; spicule length 1.5; mesosoma length 74; mesosoma width 49; midlobe of mesoscutum length 28; mesoscutellum length 25.5; mesoscutellum width 22; median part of mesoscutellum width (measured medially) 7; median part of mesoscutellum, width in anterior part 8; median part of mesoscutellum, width in posterior part 7.5; lateral part of mesoscutellum, width (measured medially) 5.5; dorsellum length 3; propodeum length 11.5; costal cell length 42; costal cell width (measured at widest part) 2.2; marginal vein length 36; stigmal vein length 11; gaster length 128; gaster width 46; Gt 2 length (measured medially) 11; Gt 4 length (measured medially) 25; Gt 7 length (measured medially) 21; Gt 7 width (measured at base) 15.5; longest cercal seta length 18; shortest cercal seta length 7.

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 184300_ 643500, 140m, 8.v.1999, malaise trap, F. Umaña (NHMUK). Paratype: 1♀ COSTA RICA, Limón, Valle Silencio, Reserva Biológica Hitoy Cerere, Sendero Toma de Agua, LN 643400_184600 100m, 18.xii.2000 - 18.i.2001, F. Umaña (MZLU).