Galeopsomyia saga Hansson sp.nov.

(Figs 41, 184, 185, 719)

Diagnosis (female). Antenna with solid clava (Fig. 719); with a short and weak genal carina close to mouth opening; mesoscutellum (Fig. 184) with submedian grooves with inner margin distinct, outer margin ±indistinct, subdivided by transverse carinae, straight and diverging towards posterior part; hind coxa without carina along posterior margin; fore wing with a bare patch below marginal vein (Fig. 185); petiole very short, just a narrow band; gaster (Fig. 184) 2.0× as long as wide, medio-basal Gt 1 with a strong transverse carina dorsally (Fig. 41), tergites with weak reticulation.

Female holotype: length of body 2.4mm.

Scape yellowish-brown with dorsal edge brown, pedicel and flagellum dark brown. Head with frons metallic bluish-green, vertex black with metallic bluish-green tinges, antennal scrobes black, clypeus dark brown. Mesosoma metallic bluish-green with propodeum dull golden-green. Legs with fore and hind coxae metallic bluish-green, mid coxa black; trochanters dark brown; fore and mid femora dark brown with apex yellowish-brown, hind femur metallic bluish-green with apex yellowish-brown; tibiae and tarsi yellowish-brown, T4 pale brown. Petiole black. Gaster with anterior half of Gt 1 and entire Gt 6 metallic bluish-green, posterior half of Gt 1 and remaining tergites black with metallic tinges.

Antenna with solid clava. Frons with strong reticulation, clypeus and scrobes with weak reticulation; with a short and weak genal carina close to mouth opening. Vertex with strong reticulation.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes and elongate on midlobe; midlobe with ten scattered adnotaular setae, with a weak median groove in posterior half. Mesoscutellum with weak reticulation on median part and with a ±complete median groove, lateral parts with strong reticulation, meshes elongate; submedian grooves with inner margin distinct, outer margin ±indistinct, subdivided by transverse carinae, straight and diverging towards posterior part; with two pairs of setae. Dorsellum with strong reticulation, without median carina. Propodeum with strong reticulation; callus with seven setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation; hind coxa without carina along posterior margin. Fore wing with four setae on dorsal surface of submarginal vein; speculum open below; costal setal row unbroken.

Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with a strong transverse carina dorsally; tergites with weak reticulation.

Relative measurements: head length, dorsal view 25; head length, frontal view 41; POL 12.5; OOL 7.5; lateral ocellus diameter 4.5; head width 57; mouth width 17; malar space 15; eye length 25; scape length 18.5; scape width 4; pedicel+flagellum length 45; pedicel length 8; pedicel width, dorsal view 4; F1 length 6.5; F1 width 5.5; F2 length 7; F2 width 5.5; F3 length 6; F3 width 5.5; clava length 14; clava width 6.5; C3 length 4; spicule length 1; mesosoma length 75; mesosoma width 57; midlobe of mesoscutum length 32; mesoscutellum length 27; mesoscutellum width 26; median part of mesoscutellum width (measured medially) 15; median part of mesoscutellum, width in anterior part14; median part of mesoscutellum, width in posterior part 15.5; lateral part of mesoscutellum, width (measured medially) 4.5; dorsellum length 3.5; propodeum length 11; costal cell length 42; costal cell width (measured at widest part) 3; marginal vein length 40; stigmal vein length 8; gaster length 93; gaster width 47; Gt 2 length (measured medially) 15; Gt 4 length (measured medially) 15; Gt 7 length (measured medially) 7; Gt

7 width (measured at base) 13.5; longest cercal seta length 9; shortest cercal seta length 5.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Guanacaste, Zona Protectorada Miravalles, Las Hornillas, Tajo ICE, LN 299400_ 409200, 900m, 21.viii.2004, swept, J. A. Azofeifa (NHMUK).