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 setosus sp.nov. ( Figs 154, 155 ) Diagnosis. Antenna flattened, scape widest at apex, all flagellomeres distinctly separated ( Fig. 155 ); temples with scattered setae ( Fig. 154 ); pronotal collar with a strong carina along anterior margin ( Fig. 154 ); midlobe of mesoscutum with six pairs of setae ( Fig. 154 ); fore wing infuscate with a hyaline band close to apical margin, speculum absent – this part completely setose ( Fig. 154 ); petiole as long as wide with strong sculpture on dorsal surface; length of body female 2.2mm . Female holotype : length of body 2.2mm . Antenna dark brown to black. Frons golden-green, metallic bluish-purple in upper part. Vertex metallic bluish-green. Mesoscutum with midlobe black, sidelobes metallic bluish-green. Mesoscutellum black with sides metallic bluish-green. Dorsellum metallic bluish-green. Propodeum black. Coxae, femora, mid and hind tibiae black with metallic tinges, fore tibia dark brown with apex pale brown; fore tarsus dark brown; mid and hind tarsi with T1–3 white, T4 black. Fore wing infuscate with a hyaline band close to apical margin, hind wing hyaline. Petiole black. Gaster dark brown. Antenna flattened, scape widest at apex. Frons and vertex with strong reticulation. Frontofacial suture V-shaped. Subtorular sutures present but difficult to see because they are dark. Temples with scattered setae. Occipital margin with a sharp carina behind ocellar triangle. Pronotal collar with a strong carina along anterior margin. Mesoscutum with strong reticulation; notauli distinct in anterior ¾; midlobe with six pairs of setae. Mesoscutellum convex, with strong reticulation. Dorsellum convex and smooth. Propodeum with a complete median carina; with strong reticulation; callus with four setae. Fore wing with speculum absent; with a stigmal hairline and with radial cell bare. Petiole as long as wide, with strong sculpture on dorsal surface. Gaster short ovate; Gt 1-3 smooth, remaining tergites with weak reticulation. Relative measurements: head length dorsal 21; head length frontal 27; head width 49; POL 9; OOL 7; lateral ocellus maximum width 3; eye length 21; malar space not measurable; mouth width not measurable; mesosoma length 74; mesosoma width 47; mesoscutellum length 30; mesoscutellum width 29; fore wing length 135; fore wing width 79; marginal vein length 67; postmarginal vein length 4; stigmal vein length 10; fore wing marginal fringe length 3; gaster length 74; gaster width 52. Male. Unknown. Hosts . Unknown. Distribution. Ecuador . Material examined. Type material. Holotype ♀ “ ECUADOR : Napo , Papallacta , 4000m , 14.ii.1983 , L. Huggert ” ( MZLU ). Etymology. From the Latin setosus = bristly, referring to fore wing speculum obliterated by setae.