Contributions to the knowledge of beetles (Insecta: Coleoptera) in the Kaliningrad region. 1.

The current article contains faunistic data on 61 little-known species of Coleoptera of the Kaliningrad region, western Russia. Seventeen species, Trechus austriacus Dejean, 1831, Bradycellus verbasci (Duftschmid, 1812) (Carabidae), Abraeus granulum Erichson, 1839 (Histeridae), Leptinus testaceus Müller, 1817 (Leiodidae), Platycis cosnardi (Chevrolat, 1829) (Lycidae), Stagetus borealis Israelson, 1971 (Anobiidae), Ebaeus lapplandicus Evers, 1993 (Melyridae), Tetratoma fungorum Fabricius, 1790 (Tetratomidae), Orchesia minor Walker, 1837 (Melandryidae), Lasconotus jelskii (Wankowicz, 1867) (Zopheridae), Salpingus bimaculatus (Gyllenhal, 1810) (Salpingidae), Phytobaenus amabilis F.Sahlberg, 1834 (Aderidae), Gonioctena intermedia (Helliesen, 1913), Chaetocnema compressa (Letzner, 1847), Cassida panzeri Weise, 1907 (Chrysomelidae), Rhaphitropis marchicus (Herbst, 1797) (Anthribidae) and Rhinoncus albicinctus Gyllenhal, 1837 (Curculionidae), are reported for the first time from the region. The records published in this article will complete the information about the beetles' distribution and its bionomy in the Kaliningrad region and in the whole South-Eastern Baltic region.