Abstract: This paper presents 6 parasitical species belonging to Pimlini ofPimplinae on Pissodes validrostris Sahlberg. Among them 1 new genus (Exestuberis and 1 new species (Exestuberis gracilis), 2 new species of Scambus (Scambus(Scambus) eurygenys and Scambus (Scambus) punctatus) are described. 2 species of Scambus, Scambus (Scambus) brevicornis Gray. And Scambus (Scarnbus) sudebicusGlow. Are recorded for the first time in this country and 1 species of Exeristes isknown (Exerister roborator (Fabricius)). All holotype specimens and a part of paratypes are depostied in the Institute ofZoology, Academia Sinica and other part of paratypes are deposited in the Department of Forestry, Northeast Forestry University.