Galeopsomyia eolio Hansson sp.nov.

(Figs 376, 377, 783)

Diagnosis (female). Antennal clava with distinct constriction between C1 and C2 (Fig. 783); genal carina present; mesoscutellum (Fig. 376) with median part with very weak reticulation, without a median groove, outer margin of submedian grooves absent in anterior two-thirds, distinct in posterior one-third, grooves with transverse and strong carinae in anterior two-thirds, lateral parts with strong reticulation; dorsellum with median carina; propodeum (Fig. 376) 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. 376) 2.1× 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 2.4mm.

Scape yellowish-brown with dorsal edge brown, pedicel and flagellum dark brown. Head with frons below level of antennal toruli golden-green, clypeus dark brown, above level of antennal toruli metallic bluish-green, scrobes black; vertex metallic bluish-green. Mesoscutum and mesoscutellum golden-green, propodeum black with golden tinges. Legs with fore and mid coxae dark brown, hind coxa black with metallic tinges; trochanters and tibiae yellowish-brown; femora dark brown with apex yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt1 golden-green, Gt2-4 metallic purple, Gt5 golden-green with median part metallic purple, Gt6-7 black with golden-green tinges; gonoplac black.

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

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe, midlobe rugose on parts close to notauli; midlobe with a weak median groove in posterior half, with nine scattered setae on rugose parts. Mesoscutellum with median part with very weak reticulation, without a median groove; outer margin of submedian grooves absent in anterior two-thirds, distinct in posterior one-third, grooves with transverse and strong carinae in anterior two-thirds; lateral parts with strong reticulation and with seven scattered setae. Dorsellum with strong reticulation, 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 5&6 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 25; head length, frontal view 41; POL 10.5; OOL 7; lateral ocellus diameter 5; head width 57; mouth width 16; malar space 14; eye length 26; scape length 21; scape width 4.5; pedicel+flagellum length 62; pedicel length 7; pedicel width, dorsal view 4; F1 length 11.5; F1 width 4.5; F2 length 10.5; F2 width 5; F3 length 9; F3 width 5; clava length 19.5; clava width 5.5; C3 length 6; spicule length 2; mesosoma length 73; mesosoma width 50; midlobe of mesoscutum length 30; mesoscutellum length 26.5; mesoscutellum width 21; median part of mesoscutellum width (measured medially) 9; median part of mesoscutellum, width in anterior part10; median part of mesoscutellum, width in posterior part 10; lateral part of mesoscutellum, width (measured medially) 4; dorsellum length 5; propodeum length 11; costal cell length 36; costal cell width (measured at widest part) 2.5; marginal vein length 35; stigmal vein length 11; gaster length 98; gaster width 47; Gt2 length (measured medially) 9; Gt4 length (measured medially) 20; Gt7 length (measured medially) 13; Gt7 width (measured at base) 14; longest cercal seta length 14; shortest cercal seta length 6.5.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Heredia, Santo Domingo, INBio-Parque, 13.ii.2010, J.S. Noyes (NHMUK).