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 eulampis sp.nov. ( Figs 93, 94 , 98 ) Diagnosis. Antenna with scape, pedicel and F1–2 flattened, F3–5 not flattened, scape widest in apical part, F1–3 dark brown and F4–5 pale brown ( Fig. 94 ); pronotal collar without a carina along anterior margin ( Fig. 93 ); midlobe of mesoscutum with very weak reticulation and with two pairs of long and strong setae ( Fig. 93 ); mesoscutellum with very weak reticulation ( Fig. 93 ); fore wing hyaline with median one-third and apical margin infuscate ( Fig. 93 ); length of body female 0.8–1.1mm , 0.7–1.1mm . Female holotype : length of body 0.9mm . Antenna dark brown, except pale brown F4–5. Frons golden-green. Vertex metallic bluish-purple in anterior one-half, golden-green in posterior one-half. Mesoscutum with midlobe golden-green, sidelobes metallic purple. Mesoscutellum golden-green in anterior one-half, metallic bluish-purple in posterior one-half. Dorsellum and propodeum black with metallic purple tinges. Legs with coxae and femora dark brown; fore tibia infuscate, mid tibia white, hind tibia dark brown; tarsi white. Fore wing hyaline with median one-third and apical margin infuscate; hind wing hyaline. Petiole dark brown. Gastral tergite 1 metallic purple, remaining tergites golden-purple. Antenna with scape, pedicel and F1–2 flattened, F3–5 not flattened and narrow, scape widest in apical part. Frons with strong reticulation. Vertex with strong reticulation in anterior one-half, with very weak reticulation in posterior one-half. Frontofacial suture V-shaped. Subtorular sutures present. Occipital margin rounded. Pronotal collar without a carina along anterior margin. Mesoscutum with very weak reticulation; notauli distinct in anterior two-thirds; midlobe of mesoscutum with two pairs of long and strong setae. Mesoscutellum ±flattened, with very weak reticulation. Dorsellum convex and smooth. Propodeum smooth and shiny; callus with two setae. Fore wing with speculum closed; with a stigmal hairline and with radial cell bare. Petiole very short, just a narrow band. Gaster circular; tergites smooth and shiny. Relative measurements: head length dorsal 14; head length frontal 20; head width 28; POL 4.5; OOL 2; lateral ocellus maximum width 2.5; eye length 16; malar space 3.5; mouth width 6; mesosoma length 29; mesosoma width 24; mesoscutellum length 13; mesoscutellum width 13; fore wing length 52; fore wing width 29; marginal vein length 26; postmarginal vein length 1.5; stigmal vein length 4; fore wing marginal fringe length 5.5; gaster length 30; gaster width 25. Variation in paratype material. Length of body: 0.8–1.1mm . Mesoscutum with midlobe golden-green or golden-red, sidelobes metallic purple or golden-green. Mesoscutellum golden-green or golden-red in anterior one-half, metallic bluish-purple or golden-green in posterior one-half. Dorsellum black with metallic purple tinges or golden-green. Gt 1 metallic purple or blue. Male ( Fig. 98 ). Length of body: 0.7–1.1mm . Similar to, and with same colour variations as in females. Hosts . Unknown. Distribution. Costa Rica . Material examined. Type material. Holotype ♀ “ COSTA RICA : Heredia , La Selva Biological Station , 50m , 10º25’N , 84º01’W , xii.1995 ” ( NHMUK ) . Paratypes ( 57♀ 48♂ , CNC , MZLU , MZUCR , NHMUK ) : 14♀ from same locality as holotype but collected ix.1995 - iv.1996 ; following from same locality as holotype but collected 27-28.ii.2001 ( 2♂ ), 30-31.iii.2002 ( 1♂ ), 27-28.ii.2003 ( 4♀ 4♂ ), 23-24.ii.2005 ( 2♀ 4♂ ), 23.ii.2006 ( 1♀ 2♂ ), 28-29.ii.2008 ( 1♀ ), 22-24.ii.2012 ( 7♂ ) ; 1♀ “ COSTA RICA : Heredia , 11km SE La Virgen , 450-550m , 13.ii-20.iv.2003 ” ; 1♀ “ COSTA RICA : Heredia , Chilamate , 75m , 25.iii.1989 , Hanson & Godoy” ; 2♀ 3♂ “ COSTA RICA : Alajuela , 7km N Boca Tapada , Laguna Lagarto Lodge , 55m , 10º41’N , 84º11’W , 18-19.ii.2018 , J.S. Noyes , NHM (Ent) 2018-87” ; 1♂ “ COSTA RICA : Alajuela , P.N. Arenal , Send. Ceibo , 10º27’N , 84º41’W , 22-23.ii.2016 , J.S. Noyes , NHM (Ent) 2016-79” ; 1♀ “ COSTA RICA : Guanacaste , P.N. Palo Verde , Sct Palo Verde , Camino a area de acampar; 0-50m , 10-18.vii.2000 , I. Jimémez , LN 260952/385020” ; 3♀ “ COSTA RICA : Limón , Pococi , P.N. Braulio Carrillo , Estación Quebrada Gonzalez , 10º09’N , 83º57’W , 400-500m , 23.iv.2002 , Hanson & Godoy”; following from same locality as previous but collected 4.vi.2002 ( 2♀ ), 21.viii.2002 ( 3♀ ), 24.ix.2002 ( 3♀ ), 15.ii.2003 ( 1♀ 9♂ ), 25.ii.2005 ( 2♀ 7♂ ) ; 2♀ 1♂ “ COSTA RICA : Limón , R.B. Hitoy-Cerere , HQ, 100m , 9º40’N , 83º02’W , 14-18.i.1991 , J.S. Noyes ”; following from same locality as previous but collected 8.v.1999 ( 1♀ ), 17.iv-17.vii.1999 ( 3♀ ), 17.ii-17.vi.2000 ( 2♀ ), 24-25.ii.2004 ( 1♀ 4♂ ), 20-22.ii.2006 ( 2♀ 2♂ ), 22-23. ii.2010 ( 1♂ ) ; 2♀ “ COSTA RICA : Limón , 16km W Guapiles , 400m , iii.1989 , Paul Hanson” ; 1♀ from same locality as previous but collected x-xi.1989 ; 2♀ “ COSTA RICA : Puntarenas , P.N. Piedras Blancas , Estación El Bonito , 100m , 08º43’N , 83º13’W , 13-14.ii.2012 , J.S. Noyes , NHM (Ent) 2012-91” . Etymology. From the Greek eulampes = bright, shining, referring to the shiny dorsum. Comments . Female holotype missing F5 on right antenna.