New eriophyoid mites (Acari: Eriophyoidea) from silver fir (Abies alba Mill.) in Poland.
Three new species of eriophyid mites are described from silver fir Abies alba Mill. in Poland: Trisetacus monteabietus sp. nov. from family Phytoptidae, Cupacarus octogibbus sp. nov. and Tegonotus carpathicus sp. nov. from family Eriophyidae. Nalepella danica Boczek, Harding et Shi inhabiting A. alba, A. concolor (Gord. et Glend.) Lindl. ex Hildebr and A. lasiocarpa (Hook.) Nutt. has been recorded for the first time in Poland. All the plant species are new hosts for N. danica.