Dibrachys Foerster , 1856

Jiao, Tian-yang, Yao, Qin-ying & Xiao, Hui, 2017, Review of Dibrachys Foerster from China (Hymenoptera, Chalcidoidea, Pteromalidae), ZooKeys 656, pp. 123-149 : 126-127

Dibrachys Foerster, 1856

Dibrachys Förster, 1856: 65. Type-species: Pteromalus boucheanus Ratzeburg, designated by Thomson 1878: 47 (= Diplolepis microgastri Bouché, 1834: 168).

Dibrachys Förster: Dalla Torre 1898: 155; Graham 1969: 804-814; Wallace 1973: 175-176; Bouček 1993: 1259; Yang 1996: 196-201, 323-324.

Coelopisthoidea Gahan, 1913: 178-183. Type-species: Coelopisthoidea cladiae Gahan, 1913: 178-183. Synonymized by Girault 1916b: 408; Bouček 1988: 434.

Diagnosis.

Body dark green. Head in frontal view round; antennal insertion placed on lower ocular line and face not protuberant at antennal insertion; antennal formula 11263 (rarely 11353); lower margin of clypeus with two sinuate teeth; both mandibles with four teeth or right mandible with four teeth and left mandible with three teeth; head in dorsal view with occiput margined by blunt or sharp, transverse ridge. Mesosoma slightly convex; pronotal collar not margined or slightly carinate medially; notauli incomplete and inconspicuous; scutellum without frenal groove; propodeum with plica complete, median carina developed or not. Fore wing without marginal fringe or at least bare between postmarginal vein and wing apex; postmarginal vein short, only inconspicuously longer than stigmal vein. Hind tibia with one spur. Gaster ovate.

Distribution.

Widespread world-wide distribution, see Noyes (2016). China: Heilongjiang, Jilin, Liaoning, Inner Mongolia, Beijing, Hebei, Shanxi, Shandong, Henan, Shaanxi, Ningxia, Gansu, Qinghai, Xinjiang, Jiangsu, Shanghai, Anhui, Zhejiang, Hubei, Jiangxi, Hunan, Guangxi, Sichuan, Guizhou, Yunnan and Tibet.