Species of the genus Mastrus Foerster (Hymenoptera, Ichneumonidae) of China with descriptions of two new species parasitizing sawflies (Hymenoptera) Author Sheng, Mao-Ling Author Zeng, Xiang-Fu text ZooKeys 2010 57 63 73 http://dx.doi.org/10.3897/zookeys.57.421 journal article http://dx.doi.org/10.3897/zookeys.57.421 1313-2970-57-63 Mastrus Foerster , 1869 Mastrus Foerster , 1869. Verhandlungen des Naturhistorischen Vereins der Preussischen Rheinlande und Westfalens, 25 (1868): 176. Type species: ( Phygadeuon ( Mastrus ) neodiprioni Viereck) = aciculatus Provancher. Diagnosis. Fore wing vein 3rs-m absent. Hind wing vein 1-cu inclivous. Clypeus with pair of small teeth. Notaulus not reaching to center of mesoscutum. Propodeum completely areolated. Spiracle of first tergum a little behind middle. Upper valve of ovipositor with nodus, lower valve with distinct teeth. Key to species of Mastrus known in China .

Mastrus nigrus

Mastrus ineditus

Mastrus deminuens

Mastrus rugotergalis