title: A new species of genus Syntactus Förster (Hymenoptera, Ichneumonidae, Ctenopelmatinae) with a key to Oriental and Eastern Palearctic species.
abstract: A new species, Syntactus jiulianicus Sun & Sheng, sp.n. belonging to the tribe Pionini of the subfamily Ctenopelmatinae (Hymenoptera, Ichneumonidae), collected from Jiangxi Province, China, is reported. Illustrations of the new species and Syntactus delusor (Linnaeus, 1758), Syntactus minor (Holmgren, 1857) and Syntactus varius (Holmgren, 1858) are provided. A key to the species of Syntactus known from the Oriental and Eastern Palaearctic Regions is given.
authors.affiliation: General Station of Forest Pest Management, State Forestry Administration, 58 Huanghe North Street, Shenyang 110034, P. R. China.
authors.forename: Shu-Ping
authors.initials: SP
authors.lastname: Sun
authors.forename: Mao-Ling
authors.initials: ML
authors.lastname: Sheng