Esagonatopus Olmi, 1984

Xu, Zaifu, Olmi, Massimo & He, Junhua, 2013, Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea), Zootaxa 3614 (1), pp. 1-460 : 428

19. Genus Esagonatopus Olmi, 1984

Esagonatopus Olmi 1984: 1493 ; Olmi 1993b: 79; Olmi et al. 2000: 153; Virla & Olmi 2008: 372; Moya-Raygoza & Olmi 2010: 99; Olmi & Guglielmino 2010c: 59 .

Type species. Esagonatopus niger (Fenton, 1924) , by original designation.

Diagnosis. Female ( Plate 134A, B ): apterous ( Plate 134A, B ); palpal formula 6/2; antenna without rhinaria; pronotum crossed by strong transverse impression ( Plate 134B ); enlarged claw with distal apex pointed, with one small subapical tooth, without lamellae, with bristles or peg-like hairs ( Plate 136A ); tibial spurs 1/0/1. Male ( Plate 135A, B ): fully winged ( Plate 135A, B ); occipital carina absent or incomplete; in this last case, only present behind and shortly on sides of posterior ocelli; occiput concave; temple present; palpal formula 6/2; tibial spurs 1/1/2.

Distribution. Nearctic, Neotropical, Oriental.

Hosts. Cicadellidae (except Typhlocybinae , Idiocerinae , Macropsinae ) ( Guglielmino & Olmi, 2006; Virla & Olmi, 2007).

World species. Seven species are known, one in the Oriental region.

Figures

PLATE 134. Esagonatopus perdebilis, female from USA, Arizona, Nogales. Length 3.0 mm (from Olmi 1984). A. Dorsal view. B. Lateral view.

PLATE 135. Esagonatopus niger, male from USA, Kentucky, Lexington. Length 2.0 mm (from Olmi 1984). A. Dorsal view. B. Lateral view.

PLATE 136. Esagonatopus sinensis sp. nov., holotype. A. Chela. B. Mesosoma, lateral view. C. Mesosoma, dorsal view. Scale bar 0.10 mm for A, 0.40 mm for B and C.