Sinodendron cylindricum, (Linnaeus, 1758)

Alekseev, Vitalii I., 2018, Scarabaeoidea (Insecta: Coleoptera) Of The Kaliningrad Region (Russia): The Commented Actual Checklist, Assessment Of Rarity And Notes To Regional Protection, Acta Biologica Universitatis Daugavpiliensis 18 (2), pp. 111-152 : 119

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).