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 cuspidis sp.nov. ( Figs 83, 84 ) Diagnosis. Antenna flattened, scape widest at apex ( Fig. 84 ); pronotal collar with a carina along anterior margin ( Fig. 83 ); midlobe of mesoscutum with three pairs of setae, notauli ±complete, narrow and distinct ( Fig. 83 ); fore wing infuscate with a hyaline band close to apical margin ( Fig. 84 ); hind tarsus with T1 infuscate, T2–3 white, T4 dark brown ( Fig. 84 ); female gaster elongate with apex pointed ( Fig. 83 ); length of body female 1.5mm . Female holotype : length of body 1.5mm . Antenna dark brown. Frons golden-green. Vertex metallic bluish-purple. Mesoscutum with midlobe metallic blue, sidelobes metallic purple. Mesoscutellum metallic blue. Dorsellum metallic purple. Propodeum golden-purple. Coxae, femora, mid and hind tibiae dark brown, fore tibia infuscate with base brown; fore tarsus infuscate, mid tarsus with T1–3 white and T4 infuscate, hind tarsus with T1 infuscate, T2–3 white, T4 dark brown. Fore wing infuscate with a hyaline band close to apical margin; hind wing hyaline. Petiole dark brown. Gaster with Gt 1,6 metallic bluish-purple, Gt dark brown with sides metallic bluish-purple, Gt 4,5,7 dark brown. 2-3 Antenna flattened, scape widest at apex. Frons with strong reticulation; frontofacial suture V-shaped. Vertex with strong reticulation. Subtorular sutures present. Occipital margin rounded. Pronotal collar with a carina along anterior margin. Mesoscutum and mesoscutellum with strong reticulation; notauli narrow and distinct almost throughout, missing just close to anterior margin of mesoscutellum; midlobe of mesoscutum with three pairs of rather strong setae. Dorsellum convex and smooth. Propodeum smooth, without median carina; 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 elongate with apex pointed; Gt 1,2,7 smooth, remaining tergites with weak reticulation. Relative measurements: head length dorsal 18; head length frontal 22; head width 34; POL 5.5; OOL 3.5; lateral ocellus maximum width 2.5; eye length 18.5; malar space 3; mouth width 8; mesosoma length 41; mesosoma width 29; mesoscutellum length 17; mesoscutellum width 18; fore wing length 63; fore wing width 41; marginal vein length 36; postmarginal vein length 2; stigmal vein length 6; fore wing marginal fringe length 4; gaster length 56; gaster width 30. Male. Unknown. Hosts . Unknown. Distribution. Dominican Republic . Material examined. Type material. Holotype ♀ “ DOMINICAN REPUBLIC : Sierra de Bahoruca , Alcoa Road , 18.i.1989 , montane dry forest, L. Masner ” ( CNC ). Etymology. From the Latin cuspidis = pointed end, referring to the pointed apex of gaster.