Scarabaeoidea (Insecta: Coleoptera) Of The Kaliningrad Region (Russia): The Commented Actual Checklist, Assessment Of Rarity And Notes To Regional Protection Author Alekseev, Vitalii I. text Acta Biologica Universitatis Daugavpiliensis 2018 2018-12-31 18 2 111 152 journal article 298071 10.5281/zenodo.10979877 13070b4b-afe1-4eae-8c82-2afda9e0bfe5 1407-8953 10979877 2. S. cylindricum (Linnaeus, 1758) Lentz 1879 ; Bercio & Folwaczny 1979; Alekseev & Sakhnov 2000; Alekseev 2006, 2007, 2014. Voucher specimens: 5 [ Kaliningrad , 05 June 1997 ; ibidem, 29 July 2008 , 2 exx; 1 km S Pugachevo , 30 June 1997 ; Pavlovo, 24 June – 06 July 2014 ] . Kaliningrad Region : Chern. (Insterburg), Gur. (Königsberg, Wilkie); Zel. (Rauschen, Palmnicken, Neuhäuser), Nest. (Rominten); Bagr., Chern., Gur., Nest., Pol., Zel. Comments: The species develops in the subcortical rotten wood of different deciduous trees ( Fraxinus , Quercus , Carpinus , Fagus , Acer , Populus , Alnus , Tilia , Betula ) infested by fungi. The most widespread and comparatively common representative of the family in the Kaliningrad Region , occurring in parks, suburbs, and forests. Widely distributed and occasional in the Region. The species is considered “least concern” at the European level ( Nieto & Alexander 2010 ).