Three new caddisfly species, Plectrocnemia astroblema sp. nov., Plectrocnemia posleotbora sp. nov., and Plectrocnemia idsukaсhevae sp. nov. (Polycentropodidae) are described and illustrated from Rovno amber (Eocene, Priabonian). Now the family Polycentropodidae is represented by 30 species among 51 named species of caddisflies known from Rovno amber.