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 pilosa sp. nov. Figs 15 , 39, 40, 43 , 67, 68 , 73 , 90 , 107 Diagnosis . Female: mandibles yellowish-brown with a row of small teeth at apex (as in Fig 112 ); flagellum dark brown, 1.0× as long as width of mesoscutum, F4 0.9× as long as wide, apex of clava pointed ( Figs 15 , 68 ); frons between scrobes and eyes and vertex with strong reticulation (90, 107); occipital margin with a sharp edge behind ocellar triangle ( Fig. 90 ); mesoscutum and mesoscutellum with same colour and reticulation ( Fig. 39 ); mesoscutellum convex; dorsellum ±flat, smooth and shiny, medio-posterior part protruding, with postero-lateral parts incised ( Fig. 43 ); fore wing with 8–18 setae in apico-dorsal part of costal cell, speculum very small and completely hyaline ( Fig. 15 ); fore coxa yellowish-brown, mid coxa black with metallic tinges ( Fig. 15 ); gaster ( Fig. 40 ) 2.5× as long as wide and narrow; Gt 1 0.4× as long as length of gaster, dorsal surface smooth and shiny, posterior margin straight; Gt 6 0.3× as long as length of gaster with anterior part 1.8× as wide as width of posterior part, posterior margin curved slightly backwards with sharp edge. Male: diagnostic features of dorsellum and pilosity as in female. Description (female holotype ). Length 2.3 mm . Frons between scrobes and eyes and vertex with strong reticulation, shiny, scrobes smooth. Mandibles with a row of small teeth at apex. Occipital margin with a sharp edge behind ocellar triangle. Dorsellum ±flat, smooth and shiny, medio-posterior part protruding, with postero-lateral parts incised. Propodeal callus with 17 setae. Fore wing with eight setae on dorsal surface of submarginal vein; with 25 admarginal setae; costal cell with 35 scattered setae on ventral surface, apico-dorsal margin with 18 setae; speculum very small and closed below. Gaster long ovate, narrow; Gt 1 smooth and shiny, remaining tergites with weak reticulation; Gt 1 with posterior margin straight, Gt 6 with posterior margin curved slightly backwards. Colour. Head metallic bluish-green, scrobes black with metallic tinges. Mandibles yellowish-brown. Antennae with scape yellowish-brown, pedicel and flagellum dark brown. Mesosoma golden-green. Legs with fore coxa yellowish-brown, mid coxa black with metallic tinges, hind coxa golden-green; remaining parts of legs yellowish-brown. Gaster with Gt 1 metallic bluish-green, remaining tergites black with metallic tinges. Relative measurements: head length, dorsal view 22; head length, frontal view 38; head width 52; POL 11.5; OOL 5.5; mouth width 17; malar space 5; eye length 28; lateral ocellus diameter 5; scape length 18.5; scape width 5; pedicel length 6; pedicel width. dorsal view 4; flagellum length 49; F1 length 10.5; F1 width 6; F2 length 8; F2 width 7; F3 length 8; F3 width 8.5; F4 length 7.5; F4 width 8.5; clava length 14.5; clava width 8; pronotum length 20; pronotum width 34; mesosoma length 80; mesosoma width 47; midlobe of mesoscutum length 27.5; mesoscutellum length 26.5; mesoscutellum width 23; propodeum length 17; hind tibia length 48; hind tibial spur1 length 11; hind tibial spur2 length 6; hind tarsus length 38; hind basitarsus length 10; fore wing length 143; fore wing width 70; costal cell length 43; costal cell width 3; marginal vein length 46; postmarginal vein length 24; stigmal vein length 14; Gt 1 length 30; Gt 6 length 23; Gt 6 width at base 28; Gt 6 width at apex 16; gaster length 84; gaster width 34. Variation. Length 1.5–2.3 mm . Costal cell with 8–18 setae in apico-dorsal part. Propodeal callus with 7–17 setae. Male . Length 1.7 mm .Antennal scape and femora dark brown, tibiae and tarsi brown, coxae black with metallic tinges. Mesoscutum, mesoscutellum and Gt 1 metallic purple. Otherwise as in female. Relative measurements: head length, dorsal view 16; head width 39; eye length 19; scape length 14; scape width 4; flagellum length 34; F1 length 6.5; F1 width 5; F2 length 6; F2 width 5.5; F3 length 5.5; F3 width 5.5; F4 length 4.5; F4 width 5.5; clava length 10.5; clava width 5; Gt 1 length 16; gaster length 57; gaster width 26. Distribution . Belize , Costa Rica . Etymology . From the Greek pilos = hair, referring to the hairy basal part of the fore wing. Material . Holotype female: COSTA RICA , Puntarenas , Estación Altamira , Sendero Los Gigantes , 9º02′N , 83º00′W , 1450–1700m , 7.ii–5.iii.2002 , C. Hansson & Parataxonomos ( MZLU ) . Paratypes ( 34♀ 22♁, CNC , MZLU , MZUCR , NHMUK ) : 4♀ 4♁with same label data as holotype; 1♁ COSTA RICA , Puntarenas , Estación Altamira , Sendero Casa Coca , 9º02′N , 83º00′W , 1450–1700m , 7.ii–5.iii.2002 , C. Hansson & Parataxonomos ; 1♀ 3♁ COSTA RICA , Puntarenas , San Vito , Las Cruces , Wilson Botanico , 8º47′N , 82º58′W , 1150m , 18-22.iii.1990 , J.S. Noyes ; following from same locality as previous but collected 15-16.ii.2006 (1♁), 7-19.ii.2007 ( 2♀ 5♁), 15-16.ii.2012 ( 3♀ ) ; 1♀ COSTA RICA , Puntarenas , Golfito , Parque Nacional Corcovado , Quebrada La Bonanza , LS 524800 _ 275700, 500m , x.2000 , J. Azofeifa ; 1♀ COSTA RICA , Puntarenas , Parque Nacional Corcovado , Estación Agujas , Cerro Quebraditos , LS 274300 _ 521400, 782m , 15.v-15.vi.2000 , J. Azofeifa ; 1♀ COSTA RICA , Puntarenas , Golfito , Parque Nacional Corcovado , Cerro Rincón , La Tigrilla , LS 523600 _ 274500, 600m , 20.ii-15.iii.2001 , J. Azofeifa ; 1♀ COSTA RICA , Puntarenas , Los Charcos de Osa , 8º40'N , 83º36'W , 50m , 15-16.ii.2010 , J.S. Noyes ; 1♀ COSTA RICA , Alajuela , Parque Nacional Arenal , 10°28'N , 84°45'W , 617m , 21-28.ii.2005 , C. Hansson ; 1♀ COSTA RICA , Alajuela , San Carlos , Parque Nacional Arenal , Sendero Pilón, LN 269200_ 458050, 600m , 15.iii-5.iv.2001 , G. Carballo ; 1♀ COSTA RICA , Alajuela , 7km N Boca Tapada , Laguna Lagerta Lodge , 10º41'N , 84º11'W , 55m , 18-19.ii.2018 , J.S. Noyes ; 1♀ COSTA RICA , Cartago , Humo , El Copal , 9°47'N , 83°45'W , 1050-1250m , 29.ii-6.iii.2008 , C. Hansson ; 1♀ COSTA RICA , Cartago , Parque Nacional Tapantí , 9º45′N , 83º47′W , 1200-1550m , 20.iii-10.iv.2000 , C. Hansson & D. Rubí ; 1♀ COSTA RICA , Guanacaste , Estación Pitilla , ACG, LN330200_380200, iv.1991 , P. Rios ; 1♀ COSTA RICA , Guanacaste , Estación Pitilla , ACG, LN329950_380450, ii.1995 , P. Rios ; 1♀ COSTA RICA , Heredia , Estación Biológica La Selva , 50m , 10º26′N , 84º01′W , 22.i-2.ii.1991 , J.S.Noyes ; following from same locality as previous but collected i.1996 ( 1♀ ), 28-29.ii.2008 (3♁), 24-25.ii.2011 ( 1♀ ), 22-24.ii.2012 (1♁) ; 1♀ COSTA RICA , Heredia , Santo Domingo , INBio-Parque, iii.2002 , J.S. Noyes & J. Azofeifa ; 1♀ COSTA RICA , Heredia , Parque Nacional Braulio Carrillo , 25.iii.1990 , J.S. Noyes ; 1♀ COSTA RICA , Limón , Reserva Biológica Hitoy Cerere , 9º40′N , 83º02′W , 100m , 14-18.i.1991 , J.S. Noyes ; following from same locality as previous but collected 24-25.ii.2004 ( 1♀ 1♁), 20-21.ii.2006 ( 1♀ 3♁) ; 1♀ COSTA RICA , Limón , 16km W Guápiles , 400m , i-iv.1991, P. Hanson ; 1♀ COSTA RICA , San José , Zurqui de Moravia , 10º02'58''N , 84º00'57''W , 1600m , ii.1995 , P. Hanson ; following from same locality as previous but collected v.1992 ( 1♀ ), x.1995 ( 1♀ ) . 1♀ BELIZE , Las Cuevas , iii.1995 , T . King & A. Howe .