Closterocerus zurquiensis Hansson 2022, sp.nov.
Creators: name: Hansson, Christer
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Eulophidae
Closterocerus
Closterocerus zurquiensis

description: Closterocerus zurquiensis sp.nov.   
(Figs 192–194)  
 Diagnosis. Antenna flattened with all flagellomeres distinctly separated, scape widest at apex (Figs 193, 194); frons with upper margin distinct (Fig. 194); pronotal collar with a carina along anterior margin (Fig. 192); midlobe of mesoscutum with two pairs of strong setae (Fig. 192); fore wing hyaline with an infuscate band below stigmal vein (Fig. 192); stigmal vein elongate, 2.0× as long as wide (Fig. 192); hind tarsus white (Fig. 193); petiole transverse with strong sculpture on dorsal surface; length of body female 1.3–1.8mm.   
Female holotype: length of body 1.4mm.  
 Antenna dark brown. Head with frons golden-green; vertex metallic purple. Mesoscutum and mesoscutellum metallic bluish-green with purple tinges. Dorsellum and propodeum metallic bluish-green. Coxae dark brown; fore and mid legs with femora infuscate, tibiae and tarsi white; hind femur and tibia dark brown with apex white, tarsus white. Fore wing hyaline with an infuscate band below stigmal vein, hind wing hyaline. Petiole golden-green. Gaster with Gt 1 metallic bluish-purple, remaining tergites dark brown with golden-purple tinges.   
Antenna flattened, scape widest at apex. Frons and vertex with strong reticulation. Frontofacial suture V-shaped; frons with upper margin distinct. Subtorular sutures absent. Occipital margin rounded.  
Pronotal collar with a sharp carina along anterior margin. Mesoscutum with strong reticulation; notauli distinct in anterior one-third; midlobe with two pairs of strong setae. Mesoscutellum convex, with strong reticulation. Dorsellum convex, with strong reticulation, smooth medially. Propodeum smooth without median carina; callus with two setae. Fore wing speculum closed; without a stigmal hairline and with radial cell ±bare.  
 Petiole transverse with strong sculpture on dorsal part. Gaster ovate; Gt 1 smooth, remaining tergites with very weak reticulation.   
Relative measurements: head length dorsal 17; head length frontal 22; head width 35; POL 6.5; OOL 3.5; lateral ocellus maximum width 3; eye length 18; malar space 5; mouth width 9.5; mesosoma length 45; mesosoma width 29; mesoscutellum length 17; mesoscutellum width 17; fore wing length 72; fore wing width 43; marginal vein length 38; postmarginal vein length 4; stigmal vein length 6; fore wing marginal fringe length 3; gaster length 42; gaster width 31.  
Variation in paratype material. Length of body: 1.3–1.8mm. All femora infuscate to dark brown; hind tibia dark brown with apex white, to entirely white.  
Male. Unknown.  
 Hosts. Unknown.   
 Distribution. Costa Rica.   
 Material examined.   
Type material. Holotype ♀ 1♀ COSTA RICA: San José, Zurqui de Moravia, 1600m, 10˚3’N, 84˚0’W, i.1996, P. Hanson ” (NHMUK). Paratypes (2♀, MZLU, MZUCR): from same locality as holotype but collected iv.1995 (1♀), xii.1995 (1♀).  
 Etymology. Named after the type locality.
description: Published as part of Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., pp. 1-137 in Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) (Oxford, England) 1 (1) on pages 85-86, DOI: 10.5281/zenodo.6464279