AnimaliaHymenopteraPteromalidaeJiaoTian-yangYaoQin-yingXiaoHuiReview of Dibrachys Förster from China (Hymenoptera, Chalcidoidea, Pteromalidae)Zookeys1422017201765612314910.3897/zookeys.656.11373 Dibrachys yunnanensis Yang, 1996 Dibrachys yunnanensisYang, 1996: 199–201, 324.Diagnosis.

Body squat, length 2.0–2.4 mm. Head in front view 1.3× as wide as high; antennal scrobe shallow, extending upwards and reaching anterior ocellus; antennal insertion placed on the lower ocular line; clypeus with longitudinal sculpture; lower margin of clypeus slightly protruded, median emarginate and with 2 sinuate teeth; gena evenly curved, lower angle of gena not exceeding clypeal margin. Antennal scape slightly shorter than eye height, length of flagellum and pedicel combined less than head width (0.74×); pedicel in lateral view 2.2× as long as broad; both anelli transverse; Fu1 and Fu5 quadrate, Fu6 distinctly transverse. Head in dorsal view, 1.9× as wide as long, eye length 1.79× temple length; POL 1.78× OOL. Mesosoma 1.5× as long as broad, mid lobe of mesoscutum with regular sculpture. Propodeum with plicae complete, median carina distinct on base part. Fore wing with submarginal vein more than 2× as long as marginal vein, marginal vein 1.5× as long as postmarginal vein, stigmal vein as long as postmarginal vein. Gaster 1.3× as long as broad, as broad as thorax width.

Material examined.

China: 1♀, Yunnan: Nanjian, 2.VI.1980, leg. Ding-Xi Liao.

Hosts.

This species parasitized on larvae and pupae of Tomicus piniperda L. (Coleoptera: Curculionidae) which harmful to Pinus yunnanensis (Pinales: Pinaceae) (Yang 1996).

Distribution.

China (Yunnan).

YangZQ (1996) Parasitic Wasps on Bark Beetles in China. Science Press, Beijing, 363 pp.