Galeopsomyia haemon (Walker)

(Figs 662, 663)

Tetrastichus haemon Walker 1847:28. Lectotype ♀ (primary type no. 5.141 4, NHMUK 013458202) designated by Burks (1971:82), examined. U.S.A. (Florida).

Euderus columbiana Ashmead 1888:104. Lectotype ♀ (USNM) designated by Burks (1975:144), District of Columbia & Florida (D.C. is locality for lectotype). Synonymized by Burks (1975:144).

Cruderus columbiana (Ashmead), Howard (1892:215).

Trichaporus columbiana (Ashmead), Ashmead (1900:561).

Galeopsomyia columbiana (Ashmead), Girault (1916:348).

Horismenus haemon (Walker), Burks (1943:605).

Galeopsomyia haemon (Walker), Burks (1971:82).

Diagnosis (female). Antenna with a solid clava (Fig. 663); genal carina absent; mesoscutellum with strong reticulation, meshes elongate, submedian grooves indistinct and hardly visible (Fig. 662); dorsellum without median carina; hind coxa without carina along posterior margin; tibiae dark brown with apex yellowish-brown (Fig. 663); gaster 2.4× as long as wide, medio-basal Gt 1 with upper margin rounded, without carinae or edges, tergites with strong reticulation (Fig. 662).

Redescription (female lectotype). Length of body 2.1mm.

Scape brown, pedicel and flagellum dark brown. Head and body black with metallic tinges. Legs with coxae black with metallic tinges; trochanters dark brown; femora dark brown; tibiae dark brown with apex yellowish-brown; T1–3 pale brown, T4 dark brown. Petiole not visible on type. Gaster with gonoplac black.

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

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe without a median groove, adnotaular setae not possible to see on type. Mesoscutellum with strong reticulation, meshes elongate; submedian grooves indistinct. Dorsellum with strong sculpture, without median carina. Propodeum with a strong median carina, with strong reticulation; callus with eight 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 closed; costal setal row unbroken.

Petiole not visible on type. Gaster elongate; tergites with strong reticulation.

Relative measurements: head length, dorsal view 25; head length, frontal view 48; POL 15; OOL 7; lateral ocellus diameter 4; head width 55; mouth width 19; malar space 14; eye length 24; scape length 25; scape width 4.5; pedicel+flagellum length 60; pedicel length 10; pedicel width, dorsal view 4; F1 length 10; F1 width 6; F2 length 9.5; F2 width 7.5; F3 length 7; F3 width 7; clava length 20; clava width 7.5; C3 length nm; spicule length nm; mesosoma length 72; mesosoma width 51; midlobe of mesoscutum length 25.5; mesoscutellum length 28; mesoscutellum width 22; median part of mesoscutellum width (measured medially) nm; median part of mesoscutellum, width in anterior part nm; median part of mesoscutellum, width in posterior part nm; lateral part of mesoscutellum (measured medially) nm; dorsellum length 4; propodeum length 12; costal cell length 39; costal cell width (measured at widest part) 2; marginal vein length nm; stigmal vein length nm; gaster length 110; gaster width 45; Gt 2 length (measured medially) 6; Gt 4 length (measured medially) 17; Gt 7 length (measured medially) 17; Gt

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

Male. Unknown.

Host s. Reared from Asphondylia borrichiae Rossi & Strong (Stiling et al. 1992), A. helianthiglobulus Osten Sacken (Burks 1979), Rhopalomyia sp. (Burks 1979). All hosts are Cecidomyiidae (Diptera).

Distribution. U.S.A. (Florida) (Walker 1847), (District of Columbia & Florida) (Ashmead 1888).

Material examined. Lectotype female of T. haemon in NHMUK.