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 woolleyi sp.nov. ( Figs 189–191 , 217 , 230, 231 ) Diagnosis. Antenna flattened, scape widest at apex, all flagellomeres distinctly separated ( Figs 190 , 230 ); frontofacial suture straight ( Fig. 231 ); vertex long and flat, 0.9× as long as wide ( Figs 191 , 230 ); fore wing hyaline with apical margin and part below stigmal vein infuscate ( Figs 190 , 217 ); pronotal collar without a carina along anterior margin ( Fig. 189 ); midlobe of mesoscutum with one pair of strong setae ( Figs 189, 190 ); hind tarsus white; length of body female 1.1mm . Female holotype : length of body 1.1mm . Antenna dark brown. Head with frons golden-green; vertex metallic bluish-purple. Mesoscutum and mesoscutellum metallic bluish-purple. Dorsellum and propodeum metallic purple. Fore and mid leg white; hind coxa dark brown, hind femur infuscate with apex white, hind tibia white with base infuscate; tarsus white. Fore wing hyaline with apical margin and part below stigmal vein infuscate, hind wing hyaline. Petiole dark brown. Gaster dark brown with metallic purple tinges. Antenna flattened, scape widest at apex. Frons and vertex with strong reticulation; vertex flat, 0.9× as long as wide. Frontofacial suture straight. Subtorular sutures present. Occipital margin rounded. Pronotal collar without a carina along anterior margin. Mesoscutum with strong reticulation; notauli distinct in anterior one-half; midlobe with one pair of strong setae. Mesoscutellum convex, with strong reticulation, posterior part with weak reticulation. 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 ovate; Gt 1-3 smooth, remaining tergites with weak reticulation. Relative measurements: head length dorsal 17; head length frontal 14; head width 29; POL 5; OOL 3; lateral ocellus maximum width 2; eye length 11.5; malar space 4; mouth width 9; mesosoma length 32; mesosoma width 21; mesoscutellum length 12.5; mesoscutellum width 17.5; fore wing length 52; fore wing width 31; marginal vein length 29; postmarginal vein length 1.5; stigmal vein length 3.5; fore wing marginal fringe length 6.5; gaster length 43; gaster width 23. Male. Unknown. Hosts . Unknown. Distribution. Mexico . Material examined. Type material. Holotype MEXICO : Chiapas , 8 miles N Berriozabal , 9.viii.1990 , 3600’ [ 1097m ], J.B. Woolley , 90/057B” ( TAMU ). Etymology. Named after James B. Woolley (TAMU), collector of the holotype .