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 concinnus sp.nov. ( Figs 77, 78 ) Diagnosis. Antenna not flattened, scape narrow, white with weak infuscation ( Fig. 78 ); pronotal collar without a carina along anterior margin ( Fig. 77 ); mesoscutum and mesoscutellum with strong and dense reticulation ( Fig. 77 ); midlobe of mesoscutum with two pairs of setae ( Fig. 77 ); fore wing hyaline with area below stigmal vein weakly infuscate ( Fig. 77 ); legs white ( Fig. 78 ); length of body female 1.1–1.3mm . Female holotype : length of body 1.3mm . Antenna white with weak infuscations. Frons metallic bluish-green. Vertex metallic purple. Mesoscutum, mesoscutellum and propodeum metallic bluish-purple; dorsellum metallic purple. Legs white. Fore wing hyaline with area below stigmal vein with weak infuscation, hind wing hyaline. Petiole dark brown. Gaster with Gt 1 metallic purple, Gt 2-3 dark brown medially and metallic purple laterally, Gt 4,7 dark brown, Gt 5 metallic bluish-purple with median part dark brown, Gt 6 metallic bluish-purple. Antenna not flattened, scape narrow. Frons with 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 strong reticulation; notauli distinct in anterior two-thirds; midlobe with two pairs of setae. Mesoscutellum flat, with strong reticulation. Dorsellum convex with strong reticulation. Propodeum with rather strong reticulation; callus with two setae. Fore wing speculum closed; with a stigmal hairline and with radial cell bare. Petiole very short, just a narrow band. Gaster ovate; tergites with strong reticulation. Relative measurements: head length dorsal 14; head length frontal 17; head width 27; POL 4; OOL 2.5; lateral ocellus maximum width 2.5; eye length 15; malar space 2.5; mouth width 7; mesosoma length 29; mesosoma width 22; mesoscutellum length 12; mesoscutellum width 13.5; fore wing length 45; fore wing width 28; marginal vein length 21; postmarginal vein length 2; stigmal vein length 4.5; fore wing marginal fringe length 3; gaster length 34; gaster width 24. Variation in paratype material. Length of body: 1.1–1.3mm . The paratypes are similar to the holotype . Male. Unknown. Hosts . Unknown. Distribution. Dominican Republic . Material examined. Type material. Holotype ♀ “ DOMINICAN REPUBLIC : Prov. Pedernales , Sta Bahoruco , Alcoa Road , 530-750m , 14.vii.1990 , L. Masner ” ( CNC ) . Paratypes ( 2♀ , CNC , NHMUK ) : 1♀ “ DOMINICAN REPUBLIC : Sierra de Bahoruca , Alcoa Road , 18.i.1989 , montane dry forest, L.Masner ” ; 1♀ “ DOMINICAN REPUBLIC : Barahonia , 4km N Paraiso , 150m , 22.iii.1991 , L.Masner ” . Etymology. From the Latin concinnus = elegant.