Closterocerus fulgens, Hansson, 2022

Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 52-53

Closterocerus fulgens sp.nov.

( Figs 104, 105 )

Diagnosis. Antenna pale brown, F1 enlarged and slightly flattened, F2–5 not flattened, scape narrow ( Fig. 105 ); pronotal collar without a carina along anterior margin ( Fig. 104 ); thoracic dorsum smooth and shiny ( Fig. 104 ); midlobe of mesoscutum with one pair strong setae; fore wing hyaline with median ¼ infuscate ( Figs 104, 105 ); legs white ( Fig. 105 ); length of body female 0.8–0.9mm.

Female holotype: length of body 0.9mm.

Antenna pale brown. Frons dark brown with golden tinges. Vertex metallic bluish-purple. Mesoscutum golden-purple. Mesoscutellum golden-green with anterior one-third golden-purple. Dorsellum and propodeum golden-green. Legs white. Fore wing hyaline with median ¼ infuscate, hind wing hyaline. Petiole dark brown. Gaster with Gt 1 metallic bluish-purple, remaining tergites golden-purple.

Antenna with F1 enlarged and slightly flattened, F2–5 and pedicel not flattened, scape narrow. Frons with weak reticulation. Vertex smooth and shiny. Frontofacial suture V-shaped. Subtorular sutures present. Occipital margin rounded.

Pronotal collar without a carina along anterior margin. Mesoscutum smooth and shiny; notauli distinct in anterior one-third; midlobe with one pair of strong setae. Mesoscutellum convex, smooth and shiny. Dorsellum flat and smooth. Propodeum smooth and shiny; 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 short ovate; all tergites smooth.

Relative measurements: head length dorsal 10; head length frontal 17; head width 21.5; POL not measurable; OOL not measurable; lateral ocellus maximum width 2; eye length 13.5; malar space 3.5; mouth width 7; mesosoma length 25; mesosoma width 18.5; mesoscutellum length 10.5; mesoscutellum width 11; fore wing length 43; fore wing width 23; marginal vein length 19.5; postmarginal vein length 2; stigmal vein length 4; fore wing marginal fringe length 7; gaster length 33; gaster width 20.

Variation in paratype material. Length of body: 0.8mm. The paratype is similar to the holotype.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Type material. Holotype ♀ “ COSTA RICA: Limón, R.B. Hitoy-Cerere, 100m, 9˚40’N, 83˚02’W, 20-22. ii.2006, J.S. Noyes ” ( NHMUK) . Paratype 1♀ from same locality as holotype but collected 24-25.ii.2004 ( NHMUK) .

Etymology. From the Latin fulgens = shining, referring to shiny thoracic dorsum.

Figures

Figs 102–105. Closterocerus spp. C. flavicinctus, non-types – (102) habitus dorsal view, ♂; (103) habitus lateral view, ♂. C. fulgens, holotype ♀ – (104) habitus dorsal view; (105) habitus lateral view.