Palorus ratzeburgii, the small-eyed flour beetle, is a species of darkling beetle in the family Tenebrionidae.Bousquet Y, Thomas DB, Bouchard P, Smith AD, Aalbu RL, Johnston AM, Steiner WE Jr (2018). "Catalogue of Tenebrionidae (Coleoptera) of North America". ZooKeys 728: 1-455.
References
Further reading
Arnett, R. H. Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). (21 June 2002). American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press LLC, Boca Raton, Florida .
Richard E. White. (1983). Peterson Field Guides: Beetles. Houghton Mifflin Company.