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 arada Hansson sp.nov. ( Figs 280, 281 , 744 ) Diagnosis (female). Antennal clava with distinct constriction between C1 and C2 ( Fig. 744 ); with genal carina; mesoscutellum ( Fig. 280 ) with submedian grooves with outer margin indistinct, grooves curved and diverging towards both anterior and posterior parts, median part with strong reticulation; dorsellum with median carina; propodeum ( Fig. 280 ) with strong reticulation but without irregular carinae, median carina wide, callus with five setae; all coxae metallic bluish-green ( Fig. 281 ); petiole very short, just a narrow band; gaster ( Fig. 280 ) 2.7× as long as wide, medio-basal Gt 1 with a transverse sharp edge dorsally, Gt 7 1.6× as long as width at base, tergites with strong reticulation. Female holotype : length of body 2.2mm . Scape yellowish-brown, pedicel brown, flagellum dark brown. Head with frons metal- lic bluish-green, clypeus dark brown, antennal scrobes black; vertex metallic bluish-green. Thoracic dorsum metallic bluish-green. Legs with coxae metallic bluish-green; trochanters yellowish-brown; fore and mid femora with basal half dark brown and apical half yellowish-brown, hind femur with basal two-thirds golden-green and apical one-third yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 pale brown. Petiole black. Gaster with Gt 1 metallic blue with medio-posterior part gulden-purple, Gt 2-6 golden-purple, Gt 7 black; gonoplac black. Antenna with 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 papillate close to notauli; midlobe with a weak median groove in posterior half, with 13 scattered adnotaular setae. Mesoscutellum with strong reticulation on median part and with a weak median groove, lateral parts with strong reticulation, meshes elongate; submedian grooves with outer margin indistinct, slightly curved and diverging towards both anterior and posterior parts; with nine setae scattered over lateral parts. Dorsellum with weak sculpture and shiny, with median carina. Propodeum with strong reticulation; callus with five 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 unbroken. Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with transverse sharp edge dorsally; tergites with strong reticulation. Relative measurements: head length, dorsal view 21; head length, frontal view 34; POL 8.5; OOL 5; lateral ocellus diameter 4.3; head width 45; mouth width 14.5; malar space 11; eye length 20; scape length 16.5; scape width 4; pedicel+flagellum length 55; pedicel length 6; pedicel width, dorsal view 3.5; F1 length 9; F1 width 4; F2 length 9; F2 width 4; F3 length 9; F3 width 4; clava length 19; clava width 4.5; C3 length 6; spicule length 1.5; mesosoma length 53; mesosoma width 40; midlobe of mesoscutum length 21; mesoscutellum length 20.5; mesoscutellum width 20.5; median part of mesoscutellum width (measured medially) 6.5; median part of mesoscutellum, width in anterior part 7.5; median part of mesoscutellum, width in posterior part 7.5; lateral part of mesoscutellum, width (measured medially) 5; dorsellum length 2; propodeum length 6; costal cell length 31; costal cell width (measured at widest part) 2; marginal vein length 33; stigmal vein length 9; gaster length 110; gaster width 41; Gt 2 length (measured medially) 10; Gt 4 length (measured medially) 19; Gt 7 length (measured medially) 21; Gt 7 width (measured at base) 13; longest cercal seta length 14; shortest cercal seta length 6. Male. Unknown. Hosts . Unknown. Distribution . Costa Rica . Material examined. Holotype ♀ COSTA RICA , Puntarenas , Golfito , Jiménez , Parque Nacional Corcovado , Cerro Mueller, LS 273200_ 521500, 744m , 21.ix-6.xi.2001 , malaise trap , J. Azofeifa ( NHMUK ).