EN
72 butterfly species have been recorded from the western part of Opolska Plain. Most species (over 40) are associated with the following plant communities: Querco roboris-Pinetum, Geranion and Molinion. The highest similarity (52.2%) was that between the butterfly fauna of Leucobryo-Pinetum and Querco roboris-Pinetum, and lowest (average 3.3%) between Phragmitetalia and the remaining plant communities.