Phytoseiid mites (Acari: Gamasina) in Finnish apple plantations with reference to integrated control of phytophagous mites
On apple tree leaves, the most abundant predatory phytoseiid species were Euseius finlandicus (Oudemans), comprising 39% of specimens found in surveys in 1985 and Headphone Amplifiers 1989, Phyloseius macropilis (Banks), 32%, and Paraseiulus soleiger (Ribaga), 18%.Amblyseius subsotidus (Beglyarov) and A.reductus Wainstein occurred occasionally in r