Galeopsomyia nicaraguaensis

Galeopsomyia nicaraguaensis (Cameron)

(Figs 664, 665)

Tetrastichus nicaraguaensis Cameron 1904:64. Lectotype ♀ (primary type no. 5.143 3,

NHMUK 010838711) designated by LaSalle & Schauff (1992:30), examined. Nicaragua. Galeopsomyia nicaraguaensis (Cameron), LaSalle & Schauff (1992:30).

Diagnosis (female). Antennal clava with a weak constriction between C1 and C2 (Fig. 665); genal carina absent; mesoscutellum (Fig. 664) elongate, 1.3× as long as wide, submedian grooves with outer margin indistinct, slightly curved and diverging towards posterior part, median part with weak reticulation; dorsellum with a weak median carina; propodeum with narrow median carina, with strong irregular carinae and strong reticulation, callus with three (remaining) setae.

Redescription (female lectotype). Length 1.8mm.

Scape yellowish-brown, pedicel and flagellum brown. Head with frons golden-green, clypeus brown, scrobes black; vertex golden-green. Thoracic dorsum golden-green. Legs with fore and hind coxae golden-green, mid coxa dark brown; trochanters yellowish-brown; femora dark brown with apex yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown.

Antenna with a weak constriction between C1 and C2. Frons with strong reticulation, clypeal area smooth, scrobes with weak reticulation; without genal carina. Vertex with strong reticulation.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe, midlobe with parts close to notaulus rugose; midlobe with a median groove in posterior half, and with 12 scattered setae on rugose parts. Mesoscutellum with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate; submedian grooves with outer margin indistinct, slightly curved and diverging towards posterior part; with 12 setae scattered over lateral parts. Dorsellum with strong reticulation, with a weak median carina. Propodeum with a narrow median carina that expands in posterior part; with strong irregular carinae and strong reticulation; callus with three (remaining) 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 open below; costal setal row broken.

Petiole and gaster missing.

Relative measurements: head length, dorsal view 30; head length, frontal view 58; POL 14; OOL 6.5; lateral ocellus diameter 7; head width 66; mouth width 19; malar space 17; eye length 32; scape length 24; scape width 5.5; pedicel+flagellum length 67; pedicel length 10; pedicel width, dorsal view 6; F1 length 12; F1 width 6.5; F2 length 11.5; F2 width 6.5; F3 length 10.5; F3 width 7; clava length 21; clava width 7.5; C3 length 6; spicule length 1.5; mesosoma length 86; mesosoma width 61; midlobe of mesoscutum length 29; mesoscutellum length 36; mesoscutellum width 28.5; median part of mesoscutellum width (measured medially) 10.5; median part of mesoscutellum, width in anterior part 9.5; median part of mesoscutellum, width in posterior part 13; lateral part of mesoscutellum (measured medially) 6.5; dorsellum length 6; propodeum length 15; costal cell length 39; costal cell width (measured at widest part) 4; marginal vein length 37; stigmal vein length 14.5; measurements on gaster not possible as gaster is missing.

Male. Unknown.

Hosts. Unknown.

Distribution. Nicaragua.

Material examined. Lectotype female in NHMUK.

Remarks. The type specimen lacks petiole and gaster, and possibly with some setae on propodeal callus broken off.