New localities of Leioderes kollari Redtenbacher, 1849 in Poland are presented. The distribution map of the species is provided. Remarks on its biology are discussed.
New records of 41 species of Staphylinidae from Podlasie, Lublin Upland, Roztocze and Sandomierz Lowland (E Poland) are given. Some data on the biology of Stenus kiesenwetteri ROSENHAUER are provided.