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 huggerti sp.nov. ( Figs 110, 111 ) Diagnosis. Scape and pedicel distinctly flattened, flagellum only weakly flattened, scape widest in median part ( Fig. 111 ); ocelli small ( Fig. 110 ); pronotal collar without a carina along anterior margin ( Fig. 110 ); midlobe of mesoscutum with three pairs of setae ( Fig. 110 ); hind tarsi white ( Fig. 111 ); fore wing hyaline with an infuscate band below stigmal vein, speculum open below and towards base of wing ( Fig. 110 ); length of body female 1.2–1.4mm . Female holotype : length of body 1.4mm . Antenna dark brown. Frons dark brown with golden tinges. Vertex metallic bluish-green. Mesoscutum, mesoscutellum and dorsellum metallic bluish-purple. Propodeum black with metallic tinges. Coxae, femora, mid and hind tibiae dark brown; fore tibia white with base dark brown; tarsi white. Fore wing hyaline with an infuscate band below stigmal vein; hind wing hyaline. Petiole dark brown. Gaster with Gt 1&5 metallic blue, Gt 2-3 metallic bluish-purple with median part metallic purple, Gt 4&7 metallic purple, Gt 6 golden-green. Antenna with scape and pedicel distinctly flattened, flagellum only weakly flattened. Frons and vertex with strong reticulation. Frontofacial suture V-shaped. Subtorular sutures present. Occipital margin rounded. Pronotal collar without a carina along anterior margin. Mesoscutum with weak reticulation; notauli distinct throughout; midlobe with three pairs of setae. Mesoscutellum convex with very weak reticulation. Dorsellum convex and smooth. Propodeum smooth, without median carina; callus with two setae. Fore wing speculum open below and towards base of wing; with a stigmal hairline and with radial cell bare. Petiole very short, just a narrow band. Gaster ovate; tergites with weak reticulation. Relative measurements: head length dorsal 18; head length frontal 22; head width 33; POL 7.5; OOL 3.5; lateral ocellus maximum width 2; eye length 17; malar space 5.5; mouth width 9; mesosoma length 40; mesosoma width 27; mesoscutellum length 17; mesoscutellum width 16.5; fore wing length 56; fore wing width 33; marginal vein length 31; postmarginal vein length 1.5; stigmal vein length 6; fore wing marginal fringe length 3.5; gaster length 45; gaster width 32. Variation in paratype material. Length of body: 1.2–1.4mm . Vertex metallic bluish-green or metallic purple. Mesoscutum and mesoscutellum metallic bluish-purple or purple. Male. Unknown. Hosts . Unknown. Distribution. Peru . Material examined. Type material. Holotype ♀ “ PERU : Loreto , Iquitos , 9.ii.1984 , Lars Huggert ” ( MZLU ) . Paratypes : 2♀ “ PERU : Cusco , Quillabamba , 23.xii.1983 , Lars Huggert ” ( MZLU ) . Etymology. Named after the Swedish entomologist Lars Huggert, collector of the type specimens. Comments . Left antenna is missing in holotype .