Galeopsomyia hirsuta Hansson sp.nov. (Figs 632, 633, 883, 900, 927, 947) Diagnosis (female). Antenna with a solid clava (Fig. 883); eyes small (Fig. 900), HE/MS = 1.3; head (Fig. 900) distinctly transverse, 2.3× as wide as long in dorsal view, without genal carina; midlobe of mesoscutum (Fig. 632) with large pits and uniformly covered with setae; mesoscutellum (Figs 632, 927) rugose, with submedian grooves as strong pit-rows which are smoothly curved; dorsellum without median carina; propodeum (Fig. 632) with strong reticulation, callus with two setae; fore wing with speculum completely open below and towards base of wing (Fig. 633); petiole yellowish-brown, very short, just a narrow band; gaster (Fig. 632) 2.2× as long as wide, tergites with strong reticulation. Female holotype: length of body 2.6mm (paratype 2.2mm). Scape yellowish-brown, pedicel and flagellum dark brown. Head black with weak metallic blue-green tinges, clypeus dark brown. Mesoscutum and mesoscutellum black with weak metallic bluish-green tinges, propodeum golden-green. Legs with coxae black; trochanters yellowish-brown; femora dark brown with apex yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown to yellowish-white, T4 brown. Petiole yellowish-brown. Gaster with Gt1-2 golden-green, Gt3-4 black with metallic purple tinges and anterior margin with bluish tinges, Gt5-7 black; gonoplac black. Antenna with a solid clava. Face below level of toruli rugose, frons with large pits, clypeus and scrobes with strong small-meshed reticulation; without genal carina. Vertex with transverse carinae. Occipital margin with irregular carinae. Mesoscutum with sidelobes rugose and midlobe with large pits; entire midlobe with setae. Mesoscutellum rugose; submedian grooves as strong pit-rows which are smoothly curved; with three setae on parts lateral to pit-rows. Dorsellum with strong reticulation, without median carina. Propodeum with a strong median carina that expands strongly posteriorly; with strong reticulation; callus with two setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with 5&6 setae on dorsal surface of submarginal vein; speculum completely open below and towards base of wing; costal setal row unbroken. Petiole very short, just a narrow band. Gaster elongate; tergites with strong reticulation. Relative measurements: head length, dorsal view 27; head length, frontal view 50; POL 16; OOL 6.5; lateral ocellus diameter 6; head width 63; mouth width 19; malar space 20; eye length 27; scape length 21; scape width 5; pedicel+flagellum length 58; pedicel length 9; pedicel width, dorsal view 4; F1 length 10; F1 width 5; F2 length 9.5; F2 width 5; F3 length 8.5; F3 width 5; clava length 17; clava width 6; C3 length 4.5; spicule length 1.5; mesosoma length 77; mesosoma width 57; midlobe of mesoscutum length 32; mesoscutellum length 30.5; mesoscutellum width 29; median part of mesoscutellum width (measured medially) 11; median part of mesoscutellum, width in anterior part15; median part of mesoscutellum, width in posterior part 11.5; lateral part of mesoscutellum, width (measured medially) 7; dorsellum length 5.5; propodeum length 9.5; costal cell length 46; costal cell width (measured at widest part) 3.5; marginal vein length 41; stigmal vein length 16; gaster length 105; gaster width 47; Gt 2 length (measured medially) 6; Gt 4 length (measured medially) 16; Gt 7 length (measured medially) 11; Gt 7 width (measured at base) 21; longest cercal seta length 13; shortest cercal seta length 5. Male. Unknown. Hosts. Unknown. Distribution. Costa Rica. Material examined. Holotype ♀ COSTA RICA, Guanacaste, Estación Cacao, 10º55’N, 85º30’W, 1100m, 19-20.ii.2005, J.S. Noyes (NHMUK). Paratype: 1♀ with same label data as holotype (NHMUK). Etymology. From the Latin hirsutus = hairy, referring to hairy midlobe of mesoscutum. Remarks. Holotype with head detached from body, glued to same card.

Published as part of Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, pp. 1-743 in Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) (Oxford, England) 3 (1) on pages 477-478, DOI: 10.5281/zenodo.8372024