Rediscovery of Tomosomus Motschulsky, 1855 (Coleoptera: Anthicidae) with redescription of the genus, a new genus-rank synonym, and a key to species.

Tomosomus Motschulsky, 1855, an obscure incertae sedis genus of Anthicidae erroneously considered monotypic, was found to be congeneric with the tomoderine genus Holcopyge Champion, 1890. A new genus-rank synonym (Tomosomus Motschulsky = Holcopyge Champion syn. nov.