Galeopsomyia longicauda Hansson sp.nov.

(Figs 466, 467)

Diagnosis (female). Antenna with a weak constriction between C1 and C2; genal carina present; mesoscutellum (Fig. 466) with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate, submedian grooves slightly curved and diverging towards anterior and posterior parts; dorsellum with median carina; propodeum (Fig. 466) with strong reticulation; callus with eight setae; gaster (Fig. 466) 2.8× as long as wide, medio-basal Gt1 with a sharp edge shaped like an inverted U (as in Fig. 24), tergites with strong reticulation, gonoplac 1.0× as long as length of hind femur.

Female holotype: length of body 2.1mm.

Scape yellowish-brown, pedicel pale brown, flagellum dark brown. Head with frons and vertex metallic bluish-purple, clypeus yellowish-brown, antennal scrobes golden-green. Thoracic dorsum metallic bluish-green with purple tinges. Legs with fore coxa with basal half dark brown and apical half yellowish-brown, mid coxa brown, hind coxa metallic blue; trochanters yellowish-brown; femora yellowish-brown, hind femur with basal one-third brown; tibiae yellowish-white; T1–3 yellowish-white, T4 yellowish-brown. Petiole black. Gaster with Gt 1 metallic blue with purple tinges, remaining tergites black with metallic tinges; gonoplac black.

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

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe and with parts close to notauli rugose; midlobe with a median groove in posterior half, with 12 scattered setae on rugose parts. Mesoscutellum with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate; submedian grooves slightly curved and diverging towards anterior and posterior parts; with 11 setae scattered over lateral parts. Dorsellum with weak sculpture and shiny, with median carina. Propodeum with a strong median carina that expands posteriorly; with strong reticulation; callus with eight setae. Fore and mid coxae with weak reticulation, hind coxa with strong reticulation. Fore wing with three 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; gonoplac elongate, 1.0× as long as length of hind femur.

Relative measurements: head length, dorsal view 22; head length, frontal view 32; POL 9; OOL 5.5; lateral ocellus diameter 4.5; head width 46; mouth width 15; malar space 12.5; eye length 21; scape length 17; scape width 3.5; pedicel+flagellum length 53; pedicel length 6.5; pedicel width, dorsal view 4; F1 length 9.5; F1 width 4.5; F2 length 9.5; F2 width 4; F3 length 8.5; F3 width 4; clava length 17; clava width 5; C3 length 4.5; spicule length 1.5; mesosoma length 56; mesosoma width 39; midlobe of mesoscutum length 19; mesoscutellum length 20.5; mesoscutellum width 17.5; median part of mesoscutellum width (measured medially) 6; median part of mesoscutellum, width in anterior part 7; median part of mesoscutellum, width in posterior part 7; lateral part of mesoscutellum, width (measured medially) 4.5; dorsellum length 3; propodeum length 9; costal cell length 29; costal cell width (measured at widest part) 2; marginal vein length 30; stigmal vein length 7.5; gaster length 96; gaster width 34; Gt 2 length (measured medially) 6; Gt 4 length (measured medially) 6; Gt 7 length (measured medially) 19; Gt

7 width (measured at base) 11; longest cercal seta length 15; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Brazil.

Material examined. Holotype ♀ BRAZIL, Bahia, Mucuri, xi.1978, F. Benton (NHMUK).

Etymology. From the Latin longus = long, and cauda = tail, referring to long gonoplac.