Nowe stanowiska Bythinini (Coleoptera: Staphylinidae: Pselaphinae) w Polsce

New records of 15 species of the pselaphine tribe Bythinini in Poland are presented. Bryaxis bulbifer is for the first time reported to occur in the Masurian Lakeland, Podlasie, the Białowieża Primeval Forest, the Małopolska Upland, the Świętokrzyskie Mountains, and the Sandomierz Basin; Br. carpathicus in the Bieszczady Mountains; Br. clavicornis in the Mazovian Lowland, the Białowieża Primeval Forest, and the Bieszczady Mountains; Br. curtisii in the Pomeranian and Masurian Lakelands, the Małopolska Upland, and the Pieniny Mountains; Br. nigripennis in the Pieniny Mountains; Br. puncticollis in the Pomeranian and Masurian Lakelands, the Mazovian Lowland, the Małopolska Upland, and the Świętokrzyskie Mountains; Br. reitteri in the Bieszczady Mountains; Br. weisei in the Pieniny and Bieszczady Mountains; Bythinus burrelli in the Pomeranian Lakeland, the Małopolska Upland, and Świętokrzyskie Mountains; Bt. macropalpus in Podlasie and the Sandomierz Basin; and Bt. securiger in the Eastern Beskidy Mountains. The occurrence in Poland of the extremely rare Br. frivaldszkyi slovenicus is confirmed, whereas the nominotypical subspecies is removed from the checklist of the beetles of Poland.