Three new species of eriophyoid mites from Dabashan Nature Reserve, Chongqin City, China are described and illustrated. They are Epitrimerus pleiospermae sp. nov. infesting Euptelea pleiosperma Hook. f. & Thomson (Eupteleaceae); Vittacus orientalis sp. nov. infesting Debregeasia orientalis C. J. Chen (Urticaceae); Diptacus regius sp. nov. infesting Juglans regia L. (Juglandaceae) and two marker genes (COI, 28S) were obtained, OR780123-OR780125 (COI, Vittacus orientalis sp. nov.); OR785980-OR785981 (28S, Vittacus orientalis sp. nov.); OR878054-OR878055 (28S, Epitrimerus pleiospermae sp. nov.). All three new species are vagrants causing no apparent damages to their host plants.