EN
New localities of 19 species of endangered beetles (Blethisa multipunctata, Broscus cephalotes, Aechmites terricola, Perigona nigriceps, Oodes gracilis, O. helopioides, Demetrias imperialis, Collurius melanura, Liodopria serricornis, Colon calcaratum, Necrodes littoralis, Dorcus parallelipipedus, Geotrupes mutator, Copris lunaris, Oryctes nasicornis, Osmoderma eremita, Teredus cylindricus, Blaps mortisaga, Neomida haemorrhoidalis), which are listed in the Polish Red Data Book and the Red List of Animals are given. Three species: Perigona nigriceps, Colon calcaratum and Teredus cylindricus have been recorded in the Masurian Lakeland for the first time.