EN
The paper presents 29 new records from 9 regions of Poland: the Pomeranian Lake District, Wielkopolska-Kujawy Lowland, Mazovian Lowland, Podlasie Lowland, Białowieża Primeval Forest, Lower Silesia, Upper Silesia, Małopolska Upland, Lublin Upland, of the endangered water beetle species Graphoderus bilineatus (DEGEER) covered with the Habitat Directive.