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 noyesi sp.nov. ( Figs 130–132 ) Diagnosis. Antenna flattened, scape widest in apical part ( Fig. 131 ); pronotal collar without a carina along anterior margin ( Fig. 130 ); midlobe of mesoscutum with weak reticulation and with two pairs of long and strong setae ( Figs 130, 131 ); mesoscutellum with weak reticulation ( Fig. 130 ); fore wing hyaline with median and apical parts infuscate ( Figs 130–132 ); coxae and femora dark brown ( Fig. 131 ); length of body female 0.9–1.0mm, male 0.7–0.9mm . Female holotype : length of body 0.9mm . Antenna dark brown. Frons golden-green. Vertex metallic purple in anterior one-third, metallic blue in posterior two-thirds. Mesoscutum with midlobe golden-green with sides metallic blue, sidelobes metallic purple; mesoscutellum golden-green with lateral and posterior margins metallic purple; dorsellum metallic bluish-purple. Propodeum dark brown with metallic purple tinges. Legs with coxae and femora dark brown; fore and mid tibiae white, hind tibia dark brown; tarsi white. Fore wing hyaline with median and apical parts infuscate, hind wing hyaline. Petiole dark brown. Gt metallic bluish-purple, remaining tergites brown with metallic tinges. 1&6 Antenna flattened, scape widest in apical part. Frons with rather strong reticulation. Vertex with strong reticulation. Frontofacial suture V-shaped. Subtorular sutures present. Occipital margin rounded. Pronotal collar without a carina along anterior margin. Mesoscutum with weak reticulation on midlobe, sidelobes with strong reticulation; notauli distinct in anterior two-thirds; midlobe of mesoscutum with two pairs of long and strong setae. Mesoscutellum with weak reticulation. Dorsellum flat 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 short ovate; Gt smooth, Gt 3-5 with weak reticulation, Gt 6-7 with strong reticulation. 1-2 Relative measurements: head length dorsal 14; head length frontal 15.5; head width 25; POL 4; OOL 2.5; lateral ocellus maximum width 2.5; eye length 13.5; malar space 3; mouth width 6.5; mesosoma length 28; mesosoma width 19.5; mesoscutellum length 11.5; mesoscutellum width 11.5; fore wing length 42; fore wing width 24; marginal vein length 20.5; postmarginal vein length 2; stigmal vein length 4.5; fore wing marginal fringe length 5; gaster length 30; gaster width 20. Variation in paratype material. Length of body: 0.9–1.0mm. Vertex with strong reticulation, or with very weak reticulation in posterior one-half. Midlobe of mesoscutum golden-green with sides metallic blue or golden-red. Mesoscutellum golden-green with lateral and posterior margins metallic purple, or golden-red. Fore tarsus white to infuscate. Male ( Fig. 132 ). Length of body 0.7–0.9mm . Antennal flagellum less flattened than in female. Otherwise similar to female. Hosts . Unknown. Distribution. Costa Rica . Material examined. Type material. Holotype ♀ “ COSTA RICA : Limón , R.B. Hitoy-Cerere , 100m , 9˚40’N, 83˚02’W, 24-25. ii.2004 , J.S. Noyes ” ( NHMUK ) . Paratypes ( 4♀ 25♂ , MZLU , MZUCR , NHMUK ) : 1♀ “ 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” ; 13♂ “ COSTA RICA : Heredia , E.B. La Selva , 75m , 10º26’N , 84º01’W , 23.ii.2006 , J.S. Noyes ” ; 1♂ from same locality as previous but collected 27-28.ii.2003 ; 11♂ “ COSTA RICA : Limón , P. N. Braulio Carrillo , Estación Quebrada González, 10˚09’N, 83˚57’W, 450m , 25.ii.2005 , J.S.Noyes ” ; 1♀ “ COSTA RICA : Puntarenas , R.P. Karen Mogensen , 305m , 9˚52’N, 85˚03’W, 19-20.ii.2016 , J.S. Noyes ” ; 2♀ “ COSTA RICA : Puntarenas , P.N. Corcovado , Sirena, 5m , 8˚29’N, 83˚35’W, 19-20.ii.2004 , J.S. Noyes ” . Etymology. Named after John S. Noyes (NHMUK), the collector of the majority of type material of this species, and of material of other Closterocerus species treated here.