Abstract: In the present paper,eleven species of sawflies of the subfamily Cephalciinae are described or recorded.They are: Caenolyda praeteritorium(Sem.) Acantholyda flavomarginata Maa,A.dimorpha Maa,A.intermedia Maa,A.pinivora Enslin,A.laricis Giraud,A.peiyingaopaoa sp.n. Cephalcia abietis L.,C.alashanica Guss.,C.flagellicornis(F.Sm.),C.tienmua Maa. Eggs,larvae and pupae are described,and biological notes are given when such in- formation is available.