1. C. chrysomelinus (Hochenwarth, 1785)

Lentz 1879 (tenebrioides Fabr); Bercio & Folwaczny 1979; Alekseev & Sakhnov 2000; Alekseev 2010.

Voucher specimens: 2 [1 km S Pugachevo, 30 June 1998; 1 km NE Mezhdurech’e, 13 June 2000].

Kaliningrad Region: Bagr. (Preussisch Eylau), Nem. (Tilsit); Chern., Nest.

Comments: The locally distributed and rare in the Region beetle develops in the laying stumps and logs of old conifers (mostly Picea) and birches with red-rotten heartwood decay. The species is restricted to old-growth forests and listed in the Red Data Book of the Kaliningrad Region (Dedkov & Grishanov 2010). The species is considered “near threatened” at the European level (Nieto & Alexander 2010).