Aleochara peeziana LOHSE collected in cow dung near Dorohusk (Lublin Up-land, SE Poland) is new to the Polish fauna. Records of 28 species of Aleocharinae new to the Lublin Upland (19 species), Roztocze (8 species) and Podlasie (2 species) are also given. Five of the recorded species are rare in Poland: Schistoglossa aubei (BRIS.), Pycnota paradoxa (MULS. et REY), Atheta arctica (THOMS.), Oxypoda procerula MANNH and O. funebris KR.