Review of Stantonia Ashmead (Hymenoptera, Braconidae, Orgilinae) from Vietnam, China, Japan, and Russia, with descriptions of six new species

The genus Stantonia Ashmead, 1904 (Hymenoptera, Braconidae, Orgilinae) is reviewed for Vietnam, China, Japan, and Russia. Six new species of the genus Stantonia are described and illustrated: Stantonia brevicaudata van Achterberg, sp. n., S. dickyyui van Achterberg & Long, sp. n., S. granulata Long & van Achterberg, sp. n., S. robustifemur van Achterberg & Long, sp. n., S. stilpnosoma Long & van Achterberg, sp. n., and S. vietnamica van Achterberg, sp. n. A new subgenus (Planitonia subg. n.: type species Stantonia robustifemur van Achterberg & Long, sp. n.) is proposed for the species with a flat clypeus and face, and reduced vein r-m of the fore wing. Three species are newly recorded from Vietnam: Stantonia gracilis van Achterberg, 1987, S. sumatrana Enderlein, 1908, and S. tianmushana Chen, He & Ma, 2004. A key to species of Stantonia from Vietnam, China, Russia, and Japan is provided.