References
* Green, John Wagener (1952). "The Lycidae of the United States and Canada. IV. The tribe Calopterini (Coleoptera)". ''Transactions of the American Entomological Society'', vol. 78, no. 1, 1–19.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 . * Arnett, Ross H. (2000). ''American Insects: A Handbook of the Insects of America North of Mexico''. CRC Press. * Richard E. White. (1983). ''Peterson Field Guides: Beetles''. Houghton Mifflin Company.External links