Galeopsomyia navia Hansson & Hanson 2023, sp.nov.

Galeopsomyia navia Hansson sp.nov.

(Figs 528, 529, 845)

Diagnosis (female). Antenna with distinct constrictions between clavomeres (Fig. 845); genal carina present; mesoscutellum (Fig. 528) with weak reticulation and elongate meshes, submedian grooves with outer margin absent and slightly converging towards posterior part; dorsellum with median carina; propodeum (Fig. 528) short with strong reticulation, median carina wide, callus with 6–7 setae; petiole very short, just a narrow band; gaster (Fig. 528) elongate, 2.6× as long as wide, medio-basal Gt1 with a sharp edge shaped like an inverted U (as in Fig. 24), Gt

7 heavily setose (Fig. 529).

Female holotype: length of body 2.5mm (paratypes 1.8–2.9mm).

Scape yellowish-brown with apico-dorsal part brown, pedicel brown, flagellum blackish. Face below level of toruli black with golden-green tinges and clypeus brown, frons golden green with scrobes black with weak metallic tinges; vertex black with metallic blue tinges. Mesoscutum metallic greenish-blue; mesoscutellum and propodeum golden-green. Legs with coxae black with metallic blue tinges; trochanters yellowish-brown; femora with basal half brown and apical half yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt1 golden-green, Gt2 metallic greenish-blue, Gt3-7 metallic purple; gonoplac black.

Antenna with distinct constrictions between clavomeres. Frons with strong reticulation, clypeus smooth, antennal scrobes with weak reticulation; with genal carina. Vertex with strong reticulation outside ocellar triangle, with wrinkled sculpture inside ocellar triangle and with a carina between posterior part of posterior ocelli.

Mesoscutum with strong reticulation, postero-median midlobe with weak reticulation, meshes isodiametric on sidelobes, elongate on midlobe; with eight adnotaular setae in two rows. Mesoscutellum with weak reticulation and elongate meshes; submedian grooves with outer margin absent and converging slightly towards posterior part; with three setae scattered over lateral parts. Dorsellum with strong sculpture, with median carina. Propodeum with a strong and wide median carina that expands strongly posteriorly; with strong reticulation; callus with seven setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with five setae on dorsal surface of submarginal vein; speculum closed; costal setal row broken.

Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with a sharp edge shaped like an inverted U; tergites with strong reticulation.

Relative measurements: head length, dorsal view 24; head length, frontal view 39; POL 9; OOL 7.5; lateral ocellus diameter 4.5; head width 53; mouth width 17; malar space 14; eye length 22.5; scape length 19.5; scape width 5; pedicel+flagellum length 60; pedicel length 7; pedicel width, dorsal view 4; F1 length 9.5; F1 width 5; F2 length 10.5; F2 width 5; F3 length 9; F3 width 5; clava length 21; clava width 5.5; C3 length 7.5; spicule length 2; mesosoma length 70; mesosoma width 49; midlobe of mesoscutum length 30; mesoscutellum length 25; mesoscutellum width 25; median part of mesoscutellum width (measured medially) 10; median part of mesoscutellum, width in anterior part10.5; median part of mesoscutellum, width in posterior part 9.5; lateral part of mesoscutellum, width (measured medially) 5; dorsellum length 4; propodeum length 10; costal cell length 35; costal cell width (measured at widest part) 2.5; marginal vein length 36; stigmal vein length 11; gaster length 107; gaster width 41; Gt 2 length (measured medially) 10; Gt 4 length (measured medially) 14; Gt 7 length (measured medially) 22; Gt 7 width (measured at base) 16; longest cercal seta length 16; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Guanacaste, Estación Cacao, 10º55’N, 85º30’W, 1100m, 19-20.ii.2005, J.S. Noyes (NHMUK). Paratypes (33♀, CNC, MZLU, MZUCR, NHMUK): 21♀ with same label data as holotype; 1♀ from same locality as holotype but collected 22.ii.2003; 2♀ COSTA RICA, Guanacaste, Estación Maritza, 10°58’N, 85°29’W, 700m, 21.ii.2005, J.S. Noyes; 4♀ COSTA RICA, Guanacaste, 18km N Liberia, Buena Vista Lodge, 10º48’N, 85º24’W, 770m, 15-17.ii.2016, J.S. Noyes; 1♀ COSTA RICA, Alajuela, Cabro Muco, 10º43′N, 85º09′W, 1100m, 13.ii.2004, C. Hansson & J.A. Azofeifa; 1♀ COSTA RICA, Cartago, Humo, El Copal, 9°47’N, 83°45’W, 1050-1250m, 29.ii-6.iii.2008, C. Hansson; 1♀ COSTA RICA, Puntarenas, San Vito, Las Cruces, 8º46’N, 82º57’W, 1300m, 15-16.ii.2006, J.S. Noyes; following from same locality as previous but collected 7-19.ii.2007 (1♀), 19-22.ii.2008 (1♀).