Some taxonomic changes are discussed for several forest sawfly pests. Fournew synonyms and three new combinations are provided: Aria Malaise 1957=KihadaiaTogashi 1995 syn. nov.; Pristiphora sinensis Wong 1977=Pristiphora huangi Xiao 1990syn. nov.; Senoclidea decora Konow 1898= Rhadinoceraea dioscoreae Xiao 1993 syn.nov.; Aria evodiae (Xiao 1993) comb. nov. from Caliloa ; Aria rujithorax (Togashi1995) comb. nov. from Kihadaia for the genus Kihadaia is treated as a junior synonym ofAria Malaise in the present paper, Trichiocampus rums (Verzhutskii 1966) comb. nov.from Cladius, =Trichiocampus pse...