Roztocze (Acarida) pszczoły miodnej (Apis mellifera L.) w Polsce

400 samples of natural winter debris collected from bee hives, 150 samples of stored honey and 100 samples of pollen collected by bees were examined; full of food and empty honey combs, brood and adult bees were also observed. 100% of samples of debris, 90% of pollen and almost 24% of honey samples contained mites; they were found also on honey combs and on died and living bees (brood, imagines). 33 mite species were found. Besides of parasite Varroa jacobsoni Oud. numerous mites belonging to Acaridae, Ameroseiidae, Tarsonemidae and Tydeidae were frequent. They are often accompanied by predatory mites from families Cheyletidae, Aceosejidae, Laelaptidae, Bdellidae and Cunaxidae. 3 stated species - Acotyledon paradoxa Oud., Lasioacarus nidicolus Kadz. et Sev. and Thyreophagus odyneri Fain are new for Poland.