Three new species of eriophyid mites on bamboo from the Qinling Mountains, northwestern China, are described and illustrated: Tegolophus bashaniae sp. nov. on Bashania fargesii (E. G. Camus) Keng f. et Yi (Poaceae: Bambuseae); Tegolophus fargesiae sp. nov. on Fargesia qinlingensis Yi et J.X. Shao, and Tetraspinus vulgaris sp. nov. on Bambusa vulgaris Schrader ex Wendland. All species are vagrants on leaf surfaces, causing no apparent damage. A key to known eriophyid mites on bamboo from China is provided.