EN
A survey was carried out in 20 farms. Samples for the studywere collected from barns and granaries. The total of 25 392 mite specimens were isolated. The most abundant were mites from the family Acaridae, Glycyphagidae i Cheyletidae. More mite species were isolated from granaries in comparison to barns. Acarus siro, which is considered as a storage pest was dominant in granaries. Mites were more abundant in buildings where relative humidity was higher.