Revision of the subfamily Opiinae (Hymenoptera, Braconidae) from Hunan (China), including thirty-six new species and two new genera Author Li, Xi-Ying Author Achterberg, Cornelis van Author Tan, Ji-Cai text ZooKeys 2013 268 1 186 http://dx.doi.org/10.3897/zookeys.268.4071 journal article http://dx.doi.org/10.3897/zookeys.268.4071 1313-2970-268-1 Orientopius Fischer, 1966 Figs 417-428 Orientopius Fischer, 1966: 147; van Achterberg et al. 2012a : 125, 2012b: 65. Type species (by original designation): Orientopius curiosigaster Fischer, 1966 [examined]. Diagnosis. Clypeus truncate medio-ventrally (Fig. 424); labrum exposed; occipital carina present latero-dorsally and weakly or not protruding in lateral view (Fig. 420); head comparatively long in anterior view (Fig. 424) and malar space longer than basal width of mandible (Fig. 425); malar suture present (Fig. 425); inner sides of antennal sockets normal, not protruding (Fig. 424); around base of middle coxa no circular carina; medio-posterior depression of mesoscutum present (Fig. 420); notauli absent posteriorly or as row of punctures; postpectal carina variable, usually partly present medio-ventrally; vein 3-SR of fore wing 0.9-2.0 times as long as vein 2-SR (Fig. 418); metasoma with carapace (Figs 417, 421), but less developed in males; second tergite sculptured and distinctly longer than third tergite (Figs 417, 421); dorsope absent, dorsal carinae of first tergite variable, separated basally or medially united in a median carina (Fig. 421); second metasomal suture distinct (Fig. 421); third tergite of female with a sharp lateral crease (Fig. 417). Biology. Parasitoids of species of Phytobia Lioy, 1864 ( Agromyzidae ) mining near the cambium of deciduous trees and shrubs (van Achterberg et al. 2012a ). Distribution. Palaearctic, Oriental and Australian (New Guinea) regions.