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 longicauda Hansson sp.nov. ( Figs 466, 467 ) Diagnosis (female). Antenna with a weak constriction between C1 and C2; genal carina present; mesoscutellum ( Fig. 466 ) with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate, submedian grooves slightly curved and diverging towards anterior and posterior parts; dorsellum with median carina; propodeum ( Fig. 466 ) with strong reticulation; callus with eight setae; gaster ( Fig. 466 ) 2.8× as long as wide, medio-basal Gt1 with a sharp edge shaped like an inverted U (as in Fig. 24 ), tergites with strong reticulation, gonoplac 1.0× as long as length of hind femur. Female holotype : length of body 2.1mm . Scape yellowish-brown, pedicel pale brown, flagellum dark brown. Head with frons and vertex metallic bluish-purple, clypeus yellowish-brown, antennal scrobes golden-green. Thoracic dorsum metallic bluish-green with purple tinges. Legs with fore coxa with basal half dark brown and apical half yellowish-brown, mid coxa brown, hind coxa metallic blue; trochanters yellowish-brown; femora yellowish-brown, hind femur with basal one-third brown; tibiae yellowish-white; T1–3 yellowish-white, T4 yellowish-brown. Petiole black. Gaster with Gt 1 metallic blue with purple tinges, remaining tergites black with metallic tinges; gonoplac black. Antenna with a weak 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 weak 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 and with parts close to notauli rugose; midlobe with a median groove in posterior half, with 12 scattered setae on rugose parts. Mesoscutellum with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate; submedian grooves slightly curved and diverging towards anterior and posterior parts; with 11 setae scattered over lateral parts. Dorsellum with weak sculpture and shiny, with median carina. Propodeum with a strong median carina that expands posteriorly; with strong reticulation; callus with eight setae. Fore and mid coxae with weak reticulation, hind coxa with strong reticulation. Fore wing with three setae on dorsal surface of submarginal vein; speculum closed; costal setal row broken. Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with a sharp edge shaped like an inverted U; tergites with strong reticulation; gonoplac elongate, 1.0× as long as length of hind femur. Relative measurements: head length, dorsal view 22; head length, frontal view 32; POL 9; OOL 5.5; lateral ocellus diameter 4.5; head width 46; mouth width 15; malar space 12.5; eye length 21; scape length 17; scape width 3.5; pedicel+flagellum length 53; pedicel length 6.5; pedicel width, dorsal view 4; F1 length 9.5; F1 width 4.5; F2 length 9.5; F2 width 4; F3 length 8.5; F3 width 4; clava length 17; clava width 5; C3 length 4.5; spicule length 1.5; mesosoma length 56; mesosoma width 39; midlobe of mesoscutum length 19; mesoscutellum length 20.5; mesoscutellum width 17.5; median part of mesoscutellum width (measured medially) 6; median part of mesoscutellum, width in anterior part 7; median part of mesoscutellum, width in posterior part 7; lateral part of mesoscutellum, width (measured medially) 4.5; dorsellum length 3; propodeum length 9; costal cell length 29; costal cell width (measured at widest part) 2; marginal vein length 30; stigmal vein length 7.5; gaster length 96; gaster width 34; Gt 2 length (measured medially) 6; Gt 4 length (measured medially) 6; Gt 7 length (measured medially) 19; Gt 7 width (measured at base) 11; longest cercal seta length 15; shortest cercal seta length 6. Male. Unknown. Hosts . Unknown. Distribution . Brazil . Material examined. Holotype ♀ BRAZIL , Bahia , Mucuri , xi.1978 , F. Benton ( NHMUK ). Etymology . From the Latin longus = long, and cauda = tail, referring to long gonoplac.