Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species Author Hansson, Christer text Zootaxa 2023 2023-05-04 5278 1 39 77 http://dx.doi.org/10.11646/zootaxa.5278.1.2 journal article 10.11646/zootaxa.5278.1.2 1175-5326 7894979 9D0E61E2-298C-4248-BD76-A2C392372F90 Grotiusomyia jimenezi sp. nov. Figs 9 , 31 , 57 , 84 , 102 Diagnosis . Mandibles yellowish-brown, with a large tooth at apex and with a row of small teeth above large tooth (as in Fig. 111 ); flagellum dark brown, 0.8× as long as width of mesoscutum, F4 0.7× as long as wide, apex of clava pointed ( Figs 9 , 57 ); frons between scrobes and eyes and vertex with strong reticulation ( Figs 84 , 102 ); occipital margin with an edge behind ocellar triangle ( Fig. 84 ); mesoscutum and mesoscutellum with same colour and reticulation ( Fig. 31 ); mesoscutellum convex; dorsellum flat, smooth and shiny, posterior margin with postero-median part slightly protruding and with parts lateral to median part slightly incised; fore wing completely hyaline, with six setae in apico-dorsal part of costal cell ( Fig. 9 ); fore and mid coxae dark brown ( Fig. 9 ); gaster ( Fig. 31 ) 1.6× as long as wide; Gt 1 0.3× as long as length of gaster, dorsal surface smooth, posterior margin straight; Gt 6 0.1× as long as length of gaster with anterior part 2.4× as wide as width of posterior part, posterior margin straight with sharp edge. Description (female holotype ). Length 1.6 mm . Frons between scrobes and eyes and vertex with strong reticulation, scrobes smooth. Mandibles with a large tooth at apex and with a row of small teeth above large tooth. Occipital margin with an edge behind ocellar triangle. Dorsellum flat, smooth and shiny, posterior margin with postero-median part slightly protruding and with parts lateral to median part slightly incised. Propodeal callus with ten setae. Fore wing with six setae on dorsal surface of submarginal vein; with 17 admarginal setae; costal cell with 16 setae on ventral surface, partly in two rows, apico-dorsal margin with six setae; speculum distinct and closed below. Gaster long ovate; Gt 1 smooth and shiny without sculpture, remaining tergites with weak reticulation; Gt 1 with posterior margin straight,Gt 6 with posterior margin pointing slightly backwards. Colour. Head black with metallic blue tinges, scrobes black. Mandibles yellowish-brown. Antennae with scape yellowish-brown, pedicel pale brown, flagellum dark brown. Mesosoma black with metallic bluish tinges. Legs with fore and mid coxae dark brown, hind coxa black with metallic tinges, trochanters yellowish-brown, fore femur yellowish-brown, mid and hind femora dark brown, tibiae and tarsi yellowish-brown. Gt 1 black with metallic blue tinges, remaining tergites dark brown to black with metallic tinges. Relative measurements: head length, dorsal view 18; head length, frontal view 31; head width 41; POL 9.5; OOL 4.5; mouth width 12; malar space 5.5; eye length 23; lateral ocellus diameter 4; scape length 14; scape width 3; pedicel length 5; pedicel width. dorsal view 3.5; flagellum length 26.5; F1 length 4; F1 width 4; F2 length 4; F2 width 5; F3 length 4.5; F3 width 6; F4 length 4; F4 width 6; clava length 9; clava width 6; pronotum length 14; pronotum width 29; mesosoma length 56; mesosoma width 35; midlobe of mesoscutum length 20; mesoscutellum length 17; mesoscutellum width 17.5; propodeum length 10; hind tibia length 31; hind tibial spur1 length 5; hind tibial spur2 length 3; hind tarsus length 22; hind basitarsus length 5.5; fore wing length 88; fore wing width 40; costal cell length 27; costal cell width 2; marginal vein length 27; postmarginal vein length 12; stigmal vein length 9.5; Gt 1 length 19; Gt 6 length 8; Gt 6 width at base 20; Gt 6 width at apex 8.5; gaster length 57; gaster width 35. Male . Unknown. Distribution . Costa Rica . Etymology . Named in honor of Iván Jimenez, collector of holotype . Material . Holotype female: COSTA RICA , Guanacaste , Bosque Nacional Diriá , Retallano , Alrededores Torre de Control de Incendio , LN 238550_358650, 600-700m , 16.xii.2001 - 16.i.2002 , I. Jiménez ( NHMUK ).