The paper presents the descriptions as well as drawings of three species of eriophyid mites found on coniferous plants as new in Poland: Trisetacus juniperinus (Nalepa) from Juniperus procumbens, Eriophyes junipereti Keifer from Juniperus communis L. 'Hibemica' and Cecidophyopsis psilaspis (Nalepa) from Taxus baccata L. Additionally, eriophyoid mites collected from Thuja occidentalis and Tsuga canadensis are discussed in this paper.