References
Further reading
* American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea, Arnett, R.H. Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL. * American Insects: A Handbook of the Insects of America North of Mexico, Ross H. Arnett. 2000. CRC Press. * Peterson Field Guides: Beetles, Richard E. White. 1983. Houghton Mifflin Company. Geotrupidae Beetles described in 1837 {{beetle-stub