| abstract | A new genus and five new species of eriophyid mites (Acari: Eriophyoidea) are described from Thailand. Aceria sarmentosae Chandrapatya, n.sp. causing leaf galls on Azima sarmentosa (Salvadoraceae), Criotacus tetraspermae Chandrapatya n.sp. causing leaf edge rolling on Salix tetraspermae (Salicaceae), and Vasates leucopyri Chandrapatya n.sp. vagrant on Securinega leucopyrus (Euphorbiaceae) belong to Eriophyidae. The new genus Vimola is related to Vilaia, Asetadiptacus and Neodiptilomiopus. Vimola syzygii Boczek, n.sp. vagrant on Syzygium samarangense (Myrtaceae) and Diptilomiopus securinegus Boczek, n.sp. vagrant on Securinega leucopyrus (Euphorbiaceae) belong to Diptilomiopidae, Rhyncaphytoptinae. |