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 leonae Hansson sp.nov. ( Figs 460, 461 , 818 , 981 ) Diagnosis (female). Antennal clava with distinct constriction between C1 and C2 ( Fig. 818 ); genal carina present; mesoscutellum ( Fig. 460 ) with submedian grooves diverging slightly towards posterior part, with outer margin indistinct, median part with weak reticulation; dorsellum with complete median carina; propodeum ( Fig. 460 ) with strong reticulation, callus with two setae; coxae dark brown to black ( Fig. 461 ); petiole very short, just a narrow band; gaster ( Fig. 460 ) 3.0× as long as wide, medio-basal Gt1 with longitudinal carinae laterally, tergites with strong reticulation. Female holotype : length of body 2.8mm ( paratypes 1.6–2.6mm ). Scape yellowish-brown with apico-dorsal part brown, pedicel and flagellum dark brown. Head with frons golden-green, antennal scrobes black, clypeus dark brown; vertex metallic bluish-green. Thoracic dorsum golden-green. Legs with fore coxa dark brown with metallic tinges, mid coxa dark brown, hind coxa golden-green; trochanters yellowish-brown; femora dark brown with apex yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 pale brown. Petiole black. Gaster with Gt1 metallic bluish-green, Gt2-4 metallic purple, Gt5-6 golden-green, Gt7 black with metallic tinges; 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 with a weak median groove in posterior half, with 15 scattered adnotaular setae. Mesoscutellum with weak reticulation and shiny on median part, lateral parts with strong reticulation, meshes elongate; submedian grooves with outer margin indistinct, slightly curved and diverging towards posterior part; with 12 setae scattered over lateral parts. Dorsellum with strong sculpture, with median carina. Propodeum with a strong median carina that expands in posterior part; with 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 very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with longitudinal carinae laterally; tergites with strong reticulation. Relative measurements: head length, dorsal view 24; head length, frontal view 41; POL 10.5; OOL 5.5; lateral ocellus diameter 6; head width 52; mouth width nm; malar space 15; eye length 22.5; scape length 21; scape width 4.5; pedicel+flagellum length 54; pedicel length 9.5; pedicel width, dorsal view 4; F1 length 8.5; F1 width 5.5; F2 length 8; F2 width 6; F3 length 7.5; F3 width 6; clava length 18; clava width 7; C3 length 6.5; spicule length 1.5; mesosoma length 79; mesosoma width 52; midlobe of mesoscutum length 33; mesoscutellum length 29; mesoscutellum width 24; median part of mesoscutellum width (measured medially) 11.5; median part of mesoscutellum, width in anterior part11.5; median part of mesoscutellum, width in posterior part 13; lateral part of mesoscutellum, width (measured medially) 4; dorsellum length 4; propodeum length 11; costal cell length 41; costal cell width (measured at widest part) 3.5; marginal vein length 40; stigmal vein length 12.5; gaster length 122; gaster width 41; Gt 2 length (measured medially) 9; Gt 4 length (measured medially) 19; Gt 7 length (measured medially) 24; Gt 7 width (measured at base) 16.5; longest cercal seta length 13; shortest cercal seta length 6. Male. Length of body of body 1.5–2.0mm. Antenna ( Fig. 981 ) with scape gradually expanding towards apex and widest at apex; plaque dark brown and situated at apex; dorso-basal whorls of long setae absent, instead with short scattered setae on all flagellomeres. Gaster long ovate. Otherwise as in female. Relative measurements: head length, dorsal view 19; head length, frontal view 32; head width 39; mouth width 15; malar space 9.5; eye length 18; scape length 17; scape width 4.5; plaque length 5; pedicel length 8; pedicel+flagellum length 49; F1 length 5.5; F1 width 3; F2 length 5.5; F2 width 3; F3 length 6; F3 width 3; F4 length 5; F4 width 3; clava length 19; clava width 3.5; mesosoma length 55; mesosoma width 38; gaster length 62; gaster width 29; longest subbasal seta on F1, length na. Hosts . Reared from galls in young fruits of avocado ( Persea americana ) ( Lauraceae ). Distribution . Costa Rica . Material examined. Holotype ♀ COSTA RICA , San José , Tarrazu , 1500m , iii.1994 , from young avocado fruit, R. Leon ” ( NHMUK ). Paratypes ( 11♀ 9♂ , MZLU , MZUCR , NHMUK ) : 3♀ 4♂ with same label data as holotype ; 7♀ 3♂ COSTA RICA , San José , Santa Cruz , 3.iv.2002 , from avocado fruit gall, Leon Cortez ; 1♀ 2♂ COSTA RICA , Alajuela , Carrizal , 11.iv.2002 , from avocado fruit gall . Etymology . Named in honour of Ruth Leon , collector of type material.