HYMENOPTERA: CHALCIDOIDEA), 5 The genus Galeopsomyia Girault by Christer Hansson * & Paul E. Hanson ** Author Hansson, Christer Author Hanson, Paul E. text Taxonomic Monographs on Neotropical Hymenoptera 2023 Oxford, England 2023-09-28 3 1 1 743 http://dx.doi.org/10.5281/zenodo.8372023 journal article 10.5281/zenodo.8372024 978-1-7397467-2-8 2754-9844 D833085E-4DB3-48D3-964F-A41566442672 Galeopsomyia hesperis Hansson sp.nov. ( Figs 418, 419 , 798 ) Diagnosis (female). Antenna with a distinct constriction between C1 and C2 ( Fig. 798 ); genal carina present; mesoscutellum ( Fig. 418 ) 1.3× as long as wide, median part with strong reticulation with ±isodiametric meshes and without a median groove, submedian grooves with outer margin absent, straight and parallel; dorsellum with an indistinct median carina; propodeum ( Fig. 418 ) with strong irregular carinae and strong reticulation, callus with two setae; gaster ( Fig. 418 ) 2.3× as long as wide, medio-basal Gt1 with short longitudinal carinae, tergites with strong reticulation. Female holotype : length of body 2.2mm . Scape yellowish-brown with dorsal edge dark brown, pedicel and flagellum dark brown. Face below level of toruli golden-green, clypeus dark brown, frons metallic bluish-green, antennal scrobes black; vertex metallic bluish-green with purple tinges. Thoracic dorsum golden-green. Legs with fore coxa black with metallic tinges, mid coxa dark brown, hind coxa golden-green; trochanters yellowish-brown; femora dark brown with apex yellowish-brown, hind femur with metallic tinges on dark part; tibiae yellowish-brown; T1–3 yellowish-brown, T4 pale brown. Petiole black. Gaster with Gt1 metallic bluish-green, Gt2-5 golden-purple, Gt6-7 black with metallic tinges; gonoplac black. Antenna with a distinct 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 strong reticulation outside ocellar triangle, with wrinkled sculpture inside ocellar triangle. Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe without a median groove, with 11 scattered adnotaular setae. Mesoscutellum with strong reticulation on median part, meshes ±isodiametric, without a median groove, lateral parts with strong reticulation, meshes elongate; submedian grooves with outer margin absent, straight and parallel, subdivided by transverse carinae; with 11 setae scattered over lateral parts. Dorsellum with strong sculpture, with an indistinct median carina. Propodeum with strong irregular carinae and strong reticulation; callus with two setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with six setae on dorsal surface of submarginal vein; speculum open below; costal setal row unbroken. Petiole transverse with strong sculpture on dorsal part. Gaster elongate; medio-basal Gt1 with short longitudinal carinae; tergites with strong reticulation. Relative measurements: head length, dorsal view 24; head length, frontal view 37; POL 9.5; OOL 6; lateral ocellus diameter 5; head width 48; mouth width 14; malar space 13; eye length 22; scape length 18; scape width 4.5; pedicel+flagellum length 57; pedicel length 7; pedicel width, dorsal view 4; F1 length 9; F1 width 5; F2 length 10; F2 width 5; F3 length 8.5; F3 width 5.5; clava length 19.5; clava width 6; C3 length 6.5; spicule length 1.5; mesosoma length 65; mesosoma width 43; midlobe of mesoscutum length 25; mesoscutellum length 25; mesoscutellum width 20; median part of mesoscutellum width (measured medially) 8; median part of mesoscutellum, width in anterior part 8; median part of mesoscutellum, width in posterior part 8.5; lateral part of mesoscutellum, width (measured medially) 3.5; dorsellum length 4.5; propodeum length 10.5; costal cell length 35; costal cell width (measured at widest part) 2.5; marginal vein length 31; stigmal vein length 11; gaster length 81; gaster width 36; Gt 2 length (measured medially) 7.5; Gt 4 length (measured medially) 18; Gt 7 length (measured medially) 8; Gt 7 width (measured at base) 8; longest cercal seta length 13.5; shortest cercal seta length 4. Male. Unknown. Hosts . Unknown. Distribution . Costa Rica . Material examined. Holotype ♀ COSTA RICA , Puntarenas , Golfito , Parque Nacional Corcovado , Estación Agujas , Cerro Rincón, LS 275500_ 521950, 745m , 6.xi-20.xii.2001 , malaise trap , J. Azofeifa ( NHMUK ).