Galeopsomyia fernandezae Hansson sp.nov.

(Figs 102, 103, 1013)

Diagnosis (female). Antennal clava solid (Fig. 1013); genal carina present; mesoscutellum (Fig. 102) with strong reticulation, meshes isodiametric, submedian grooves indistinct but visible in posterior half, without median groove; propodeum (Fig. 102) with a strong median carina with anterior half with parallel sides and posterior half gradually expanding backwards; dorsellum with median carina; hind coxa with a strong carina along posterior margin; gaster (Fig. 102) 2.8× as long as wide, medio-basal Gt 1 with a semicircular incision, incision with upper part smoothly rounded, tergites with strong reticulation, gonoplac yellowish-brown (Fig. 103).

Female holotype: length of body 3.2mm (paratype 3.1mm).

Scape yellowish-brown, pedicel and flagellum dark brown. Head with frons metallic bluish-green, antennal scrobes black, clypeus brown; vertex metallic bluish-green. Thoracic dorsum metallic bluish-green. Legs with fore and mid coxae dark brown with metallic bluish-green tinges, hind coxa metallic bluish-green; trochanters brown; femora black with metallic tinges, apex yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt 1 metallic bluish-green with posterior margin golden-purple, Gt 2-4 golden-purple, Gt 5 golden-purple on median part and metallic bluish-green on lateral parts, Gt 6-7 metallic bluish-green; gonoplac yellowish-brown.

Antenna with solid clava. Frons with strong reticulation, clypeal area smooth, antennal scrobes with weak reticulation; with genal carina. Vertex with strong reticulation.

Mesoscutum with strong reticulation, meshes isodiametric; midlobe without median groove, with 12 scattered adnotaular setae. Mesoscutellum with strong reticulation, meshes isodiametric; submedian grooves indistinct but visible in posterior half; anterior pair of setae attached in anterior one-third. Dorsellum with strong reticulation, with median carina. Propodeum with a strong median carina with anterior half with parallel sides and posterior half gradually expanding backwards; callus with two setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation; hind coxa with a strong carina along posterior margin. Fore wing with four setae on dorsal surface of submarginal vein; speculum open below and towards base of wing; costal setal row unbroken.

Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with a semicircular incision, incision with upper part smoothly rounded; tergites with strong reticulation.

Relative measurements: head length, dorsal view 28; head length, frontal view 49; POL 14.5; OOL 9; lateral ocellus diameter 5; head width 67; mouth width 26; malar space 18; eye length 27; scape length 23; scape width 5; pedicel+flagellum length 57; pedicel length 9; pedicel width, dorsal view 4.5; F1 length 8; F1 width 6; F2 length 8.5; F2 width 6; F3 length 8.5; F3 width 6; clava length 19; clava width 7; C3 length 6; spicule length 1; mesosoma length 90; mesosoma width 66; midlobe of mesoscutum length 40; mesoscutellum length 35; mesoscutellum width 33; median part of mesoscutellum width (measured medially) na; median part of mesoscutellum, width in anterior part na; median part of mesoscutellum, width in posterior part na; lateral part of mesoscutellum, width (measured medially) na; dorsellum length 4; propodeum length 12; costal cell length 47; costal cell width (measured at widest part) 4; marginal vein length 45; stigmal vein length 14; gaster length 141; gaster width 51; Gt 2 length (measured medially) 10; Gt 4 length (measured medially) 30; Gt 7 length (measured medially) 13; Gt 7 width (measured at base) 21; longest cercal seta length 11; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, San José, 26 km N San Isidro de El General, 2100m, iv-v.1993, P. Hanson (NHMUK) . Paratype: 1♀ with same label data as holotype (MZLU) .

Etymology. Named in honour of Cindy Fernández, director of the School of Biology, University of Costa Rica, phycologist.