EN
Eighteen species of Bledius have been recorded from the Podlasie, Lublin Upland, Roztocze and Sandomierz Lowland (E Poland). Some of them (B. crassicollis, B. defensus, B. femoralis, B. pallipes, B. procerulus, B. agricultor, B. pygmaeus, B. terebrans) are very rare in Poland, and most of them are new for these regions. Some data on their enviromental preferences and life cycle are also provided.