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 latiscapus sp.nov. ( Figs 116 , 121 ) Diagnosis. Antenna flattened, scape short and wide, 2.2× as long as wide and widest in apical part, flagellum dark brown ( Fig. 121 ); frons with upper border distinct ( Fig. 121 ); pronotal collar without a carina along anterior margin ( Fig. 116 ); midlobe of mesoscutum with weak reticulation and with two pairs of long and strong setae ( Fig. 116 ); mesoscutellum with weak reticulation ( Fig. 116 ); fore wing hyaline with an infuscate band below stigmal vein and one below median part of marginal vein ( Fig. 116 ); coxae, femora and tibiae dark brown ( Fig. 121 ); gaster ovate-elongate ( Fig. 116 ); length of body female 1.3mm . Female holotype : length of body 1.3mm . Antenna dark brown. Frons golden-green. Vertex metallic bluish-green. Mesoscutum, mesoscutellum, dorsellum and propodeum metallic purple. Legs with coxae, femora and tibiae dark brown; tarsi infuscate with T4 darker. Fore wing hyaline with an infuscate band below stigmal vein and one below median part of marginal vein, hind wing hyaline. Petiole dark brown. Gastral tergite 1 metallic bluish, remaining tergites golden-purple. Antenna flattened, scape widest in apical part. Frons with strong reticulation. Vertex with weak reticulation. Frontofacial suture V-shaped; frons with upper border distinct. Subtorular sutures present. Occipital margin rounded. Pronotal collar without a carina along anterior margin. Mesoscutum and mesoscutellum with weak reticulation; mesoscutum with notauli distinct in anterior one-third, midlobe two pairs of long and strong setae. Dorsellum convex and smooth. Propodeum smooth and shiny; callus with two setae. Fore wing speculum closed; without a stigmal hairline and radial cell with setae. Petiole very short, just a narrow band. Gaster ovate-elongate; tergites smooth and shiny. Relative measurements: head length dorsal 12.5; head length frontal 14.5; head width 28; POL 6.5; OOL 3.5; lateral ocellus maximum width 2; eye length 13; malar space 5.5; mouth width 9; mesosoma length 36; mesosoma width 22; mesoscutellum length 12.5; mesoscutellum width 11.5; fore wing length 65; fore wing width 38; marginal vein length 34; postmarginal vein length 4.5; stigmal vein length 5; fore wing marginal fringe length 3.5; gaster length 53; gaster width 24. Male. Unknown. Hosts . Unknown. Distribution. Ecuador . Material examined. Type material. Holotype ♀ “ ECUADOR : Napo , Quito-Baeza Road , 4000m , 18.ii.1983 , Masner & Sharkey” ( CNC ). Etymology. From the Latin latus = wide, referring to the short and wide antennal scape.