First record of the larger black flour beetle (Cynaeus angustus) (Coleoptera: Tenebrionidae) from Russia, with a review of its North American and trans-continental expansion

The larger black flour beetle, Cynaeus angustus (LeConte, 1851), is recorded from Russia (Belgorod Province) for the first time. It is also first recorded in the literature from Ukraine (Lugansk and Kharkov Provinces), known previously from the Kharkov Province from the record in the Internet. Its economic importance, historical and contemporary distribution are discussed.