Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str. Author Hansson, Christer text Taxonomic Monographs on Neotropical Hymenoptera 2022 Oxford, England 2022-04-28 1 1 1 137 http://dx.doi.org/10.5281/zenodo.6464278 journal article 10.5281/zenodo.6464279 978-1-7397467-0-4 2754-9844 FE033A11-ACCB-4C6D-B185-63420F8CA79B Closterocerus variotinctus sp.nov. ( Figs 182–184 ) Diagnosis. Antenna not flattened, only pedicel slightly flattened, scape ±narrow ( Fig. 182 ); fore wing hyaline with area below stigmal vein infuscate ( Fig. 184 ); pronotal collar without a carina along anterior margin ( Fig. 184 ); midlobe of mesoscutum with one pair of setae ( Fig. 184 ); vertex, mesoscutum and mesoscutellum with very weak reticulation, shiny ( Fig. 184 ); mesoscutum and mesoscutellum with different colour ( Fig. 184 ); fore wing with speculum open below and towards base of wing ( Fig. 184 ); length of body female 0.8–1.3mm , male 0.9–1.1mm . Female holotype : length of body 1.3mm . Antenna with scape, pedicel and F1–3 dark brown, F4–5 pale brown. Frons below frontofacial suture golden-green, above suture golden-red in lower part and metallic purple in upper part. Vertex metallic bluish-purple. Mesoscutum and dorsellum metallic bluish-green. Mesoscutellum golden-red. Propodeum metallic purple. Coxae, femora and hind tibia dark brown; fore and mid tibiae white; fore tarsus infuscate, mid and hind tarsi white. Fore wing hyaline with area below stigmal vein infuscate; hind wing hyaline. Petiole dark brown. Gaster with Gt 1 metallic bluish-purple, remaining tergites golden-purple. Antenna not flattened except pedicel that is slightly flattened, scape ±narrow, pedicel with sharp ventral and dorsal edges. Frons with strong reticulation; frontofacial suture V-shaped. Vertex with very weak reticulation, shiny. Subtorular sutures present. Occipital margin rounded. Pronotal collar without a carina along anterior margin. Mesoscutum and mesoscutellum with very weak reticulation, shiny; notauli distinct throughout; midlobe with one pair of weak setae. Dorsellum convex and smooth. Propodeum smooth, without median carina; callus with two setae. Fore wing speculum open below and towards base of wing; with a stigmal hairline, radial cell bare. Petiole very short, just a narrow band. Gaster ovate; Gt 1 smooth, remaining tergites with weak reticulation. Relative measurements: head length dorsal 15; head length frontal 22.5; head width 30; POL 5.5; OOL 2.5; lateral ocellus maximum width 3; eye length 18.5; malar space 4.5; mouth width 7.5; mesosoma length 35; mesosoma width 25.5; mesoscutellum length 15.5; mesoscutellum width 14.5; fore wing length 61; fore wing width 31; marginal vein length 30; postmarginal vein length 1.5; stigmal vein length 6; fore wing marginal fringe length 5; gaster length 40; gaster width 27.5. Variation in paratype material. Length of body 0.8–1.3mm . Mesoscutum metallic bluish-green or purple. Propodeal callus with 2–3 setae. Male ( Fig. 183 ). Length of body 0.9–1.1mm . Mesoscutum, dorsellum and propodeum golden-green or metallic bluish-green. Otherwise similar to female. Hosts . Unknown. Distribution. Costa Rica . Material examined. Type material. Holotype ♀ “ COSTA RICA : Heredia , La Selva , 75m , 10˚26’N, 84˚01’W, xii.1992 , P. Hanson ” ( NHMUK ) . Paratypes ( 15♀ 3♂ , CNC , MZLU , MZUCR , NHMUK ) : 1♀ with same label data as holotype; following from same locality as holotype but collected 14.xii.1995 ( 1♀ ), 23-24.ii.2005 ( 1♂ ) ; 2♀ “ COSTA RICA : Alajuela , Estación Pilón , 10º43’N , 85º59’W , 12-18.ii.2004 , C. Hansson & J.A. Azofeifa ” ; 1♀ “ COSTA RICA : Alajuela , San Carlos , Sendero Pilón , 600m , 30.xi-22.xii.1999 , G. Carballo , LN 457900_269100”; following from same locality as previous but collected 5.iv-7.v.2000 ( 1♀ ), 15.iii-5.vi.2001 ( 1♀ ) ; 1♀ “ COSTA RICA : Alajuela , Caño Negro , Teñideros , 41m , 2.ix.2005 , J.A. Azofeifa et al., LN 313346_450130, #84539” ; 2♀ 2♂ “ COSTA RICA : Alajuela , 7km N Boca Tapada , Laguna Lagarto Lodge , 55m , 10˚41’N, 84˚11’W, 18-19.ii.2018 , J.S. Noyes , NHM (Ent) 2018-87” ; 1♀ “ COSTA RICA : Alajuela , R.F. Rincon , Estación Caribe , 10º53’N , 83º18’W , 19-20.ii.2003 , J.S. Noyes ” ; 4♀ “ COSTA RICA : Manuel Antonio N.P. 23-28.viii.1986 , L. Masner ” . Etymology. From the Latin varius = different, and tinctus = dye, colour, referring to the differently coloured mesoscutum and mesoscutellum.