Mannerkoski, I., and J. Ferrer. 1992. Cynaeus opacus Champion, a new tenebrionid beetle in Finland (Coleoptera, Tenebrionidae. Entomologica Fennica 3:95-97.
Mannerkoski, I., and J. Ferrer. 1992. Cynaeus opacus Champion, a new tenebrionid beetle in Finland (Coleoptera, Tenebrionidae. Entomologica Fennica 3:95-97.