Galeopsomyia maura Hansson, 2023

Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 191-193

Galeopsomyia maura Hansson sp.nov.

( Figs 238, 239 , 962 , 1055)

Diagnosis (female). Antennal clava solid (Fig. 1055); scape slightly expanded in lower half (Fig. 1055); genal carina absent; mesoscutellum ( Fig. 238 ) with strong reticulation, meshes elongate, without median groove, submedian grooves distinct, straight and converging towards posterior part, with two pairs of setae on lateral parts, one pair close to posterior margin of mesoscutellum and one pair placed medially; dorsellum without median carina; propodeum ( Fig. 238 ) with very strong reticulation, callus with two setae; petiole very short, just a narrow band; gaster ( Fig. 238 ) 1.9× as long as wide, tergites with strong reticulation; dark brown to black non-metallic species ( Figs 238, 239 ).

Female holotype: length of body 1.7mm (paratypes 1.4–1.8mm).

Scape and pedicel yellowish-brown, funiculars pale brown and clava dark brown. Head, mesosoma and mesosoma dark brown to black. Legs with coxae dark brown to black; trochanters yellowish-brown; femora dark brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown.

Antenna with solid clava. Frons with strong reticulation; without genal carina. Vertex with strong reticulation.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe without median groove, with six scattered adnotaular setae. Mesoscutellum with strong reticulation, meshes elongate; submedian grooves distinct, straight and converging towards posterior part; with two pairs of setae on lateral parts, one pair close to posterior margin of mesoscutellum and one pair placed medially. Dorsellum with strong reticulation, without median carina. Propodeum with a wide median carina that expands both anteriorly and posteriorly; with very strong reticulation; callus with two 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 ovate-elongate; tergites with strong reticulation.

Relative measurements: head length, dorsal view 19; head length, frontal view 34; POL 9.5; OOL 5; lateral ocellus diameter 3.5; head width 42; mouth width 15; malar space 11; eye length 20; scape length 14; scape width 4; pedicel+flagellum length 38; pedicel length 6; pedicel width, dorsal view 3.5; F1 length 5; F1 width 3; F2 length 6; F2 width 3; F3 length 5; F3 width 3; clava length 12.5; clava width 4; C3 length 5.5; spicule length 1; mesosoma length 51; mesosoma width 38; midlobe of mesoscutum length 17; mesoscutellum length 18; mesoscutellum width 19; median part of mesoscutellum width (measured medially) 9; median part of mesoscutellum, width in anterior part 9; median part of mesoscutellum, width in posterior part 8; lateral part of mesoscutellum, width (measured medially) 4; dorsellum length 4; propodeum length 6.5; costal cell length 30; costal cell width (measured at widest part) 2.5; marginal vein length 26; stigmal vein length 9; gaster length 66; gaster width 35; Gt 2 length (measured medially) 6; Gt 4 length (measured medially) 7; Gt 7 length (measured medially) 7; Gt

7

width (measured at base) 18; longest cercal seta length; shortest cercal seta length.

Male. Length of body of body 1.3–1.4mm.

Antenna ( Fig. 962 ) with scape widest in the middle and narrow at apex; plaque brown, extending along major part of scape and situated medially; dorso-basal whorls of long setae present on F1–F4. Gaster short ovate. Otherwise as in female.

Relative measurements: head length, dorsal view 17.5; head length, frontal view 33; head width 40.5; mouth width 12; malar space 14; eye length 17.5; scape length 15; scape width 6; plaque length 9; pedicel length 6; pedicel+flagellum length 61; F1 length 5.5; F1 width 4; F2 length 7.5; F2 width 4; F3 length 9.5; F3 width 3; F4 length 9.5; F4 width 3; clava length 21; clava width 3; mesosoma length 48; mesosoma width 35; gaster length 45; gaster width 29; longest subbasal seta on F1, length 42.

Hosts. Unknown.

Distribution. Brazil.

Material examined.

Holotype ♀ BRAZIL, Santa Catarina, Nova Teutonia , 15.x.1949, F. Plaumann ( NHMUK) . Paratypes: 24♀ 2♂ from same locality as holotype and collected 15–20 October 1949 ( MZLU, NHMUK) .

Etymology. From the Greek mauros = dark, referring to colour of body.

Figures

Figs 236–239. Galeopsomyia blendis, holotype ♀ – (236) habitus dorsal view; (237) habitus lateral view. Galeopsomyia maura, holotype ♀ – (238) habitus dorsal view; (239) habitus lateral view.

Figs 962–964. Head incl. antennae/body, lateral view, paratype ♂. (962) Galeopsomyia maura; (963) G. bicolor; (964) G. bimaculata.