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 cosidis Hansson sp.nov. ( Figs 352, 353 , 773 ) Diagnosis (female). Antennal clava with a weak constriction between C1 and C2 ( Fig. 773 ); genal carina present; mesoscutellum ( Fig. 352 ) with submedian grooves diverging towards posterior part, median part with weak reticulation, with a median groove in anterior four-fifths; dorsellum with median carina; propodeum ( Fig. 352 ) with strong reticulation and strong irregular carinae, median carina wide, callus with seven setae; all coxae metallic bluish-green ( Fig. 353 ); petiole transverse with strong irregular sculpture on dorsal part; gaster ( Fig. 352 ) 3.0× as long as wide, medio-basal Gt 1 with short longitudinal carinae laterally, tergites with strong reticulation; body bright metallic bluish-green, Gt 2-4 metallic purple on dorsal parts. Female holotype : length of body 2.9mm ( paratypes 2.5–3.0mm). Scape dark brown with ventral parts dark yellowish-brown, pedicel and flagellum dark brown. Head with frons golden-green, upper parts with blue tinges, clypeus dark brown, antennal scrobes black; vertex metallic bluish-green. Thoracic dorsum metallic bluish-green. Legs with coxae metallic bluish-green; trochanters dark brown; femora metallic bluish-green; tibiae yellowish-brown; T1–3 yellowish-brown, T4 dark brown. Petiole black. Gaster with Gt 1 and Gt5-6 metallic bluish-green, Gt 2-4 metallic bluish green with dorsal part golden-purple and metallic bluish-purple, Gt 7 golden; gonoplac black. Antenna with a weak constriction between C1 and C2. Face below level of toruli with strong reticulation, clypeus smooth, frons with strong reticulation/rugosity, antennal scrobes with weak reticulation; with genal carina. Vertex with strong reticulation outside ocellar triangle, with wrinkled sculpture inside ocellar triangle; with a carina between posterior ocelli in posterior part. Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with a weak median groove in posterior two-thirds, and with ten scattered adnotaular setae. Mesoscutellum with weak reticulation on median part and shiny, lateral parts with strong reticulation, meshes elongate; submedian grooves distinct, slightly curved and diverging towards posterior part; with a median groove in anterior four-fifths; with seven setae scattered over lateral parts. Dorsellum with weak sculpture, with median carina. Propodeum with a strong median carina that expands anteriorly and posteriorly; with strong irregular carinae and strong reticulation; callus with seven 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 transverse with strong sculpture on dorsal part. Gaster very elongate; medio-basal Gt 1 with short longitudinal carinae laterally; tergites with strong reticulation. Relative measurements: head length, dorsal view 24; head length, frontal view 43; POL 11.5; OOL 7; lateral ocellus diameter 4.5; head width 55; mouth width 16.5; malar space 16.5; eye length 23; scape length 20; scape width 5; pedicel+flagellum length 60; pedicel length 7.5; pedicel width, dorsal view 4; F1 length 9.5; F1 width 5; F2 length 10; F2 width 5; F3 length 9; F3 width 5; clava length 21; clava width 5; C3 length 7; spicule length 2; mesosoma length 80; mesosoma width 53; midlobe of mesoscutum length 33; mesoscutellum length 30; mesoscutellum width 26; median part of mesoscutellum width (measured medially) 11; median part of mesoscutellum, width in anterior part10; median part of mesoscutellum, width in posterior part 11; lateral part of mesoscutellum, width (measured medially) 5; dorsellum length 4; propodeum length 13; costal cell length 45; costal cell width (measured at widest part) 3.5; marginal vein length 40; stigmal vein length 13; gaster length 129; gaster width 43; Gt 2 length (measured medially) 13; Gt 4 length (measured medially) 19; Gt 7 length (measured medially) 24; Gt 7 width (measured at base) 15; longest cercal seta length 15; shortest cercal seta length 6. Male. Unknown. Hosts . Unknown. Distribution . Costa Rica . Material examined. Holotype ♀ COSTA RICA , Heredia , 6km ENE Vara Blanca , 10°11’N , 84°07’W , 2000m , iii.2002 , INBio, OET, ALAS ( NHMUK ) . Paratypes ( 7♀ , MZLU , MZUCR , NHMUK ) : all from same locality as holotype but collected ii.2002 ( 1♀ ), iii.2002 ( 1♀ ), iv.2002 ( 3♀ ), 21.iv.2002 ( 2♀ ).