EN
During the research in 2001-2002 of water beetles'fauna (Coleoptera: Dytiscidae, Hydrophilidae, Gyrinidae) of The "Ochojec" Reserve in Katowice, (Upper Silesia) there were collected 368 specimens of the beetle belonging to 28 species. The most common were: Hydrophorus incognitus SHARP., Anacaena lutescens (Steph.) i H. memnonius NIC.