References
* "The Coccinellidae (Coleoptera) of America North of Mexico", Robert D. Gordon. 1985. ''Journal of the New York Entomological Society'', Vol. 93, No. 1. * Belicek, Joseph (1976). "Coccinellidae of western Canada and Alaska with analyses of the transmontane zoogeographic relationships between the fauna of British Columbia and Alberta (Insecta: Coleoptera: Coccinellidae)". ''Quaestiones Entomologicae'', vol. 12, no. 4, 283–409. * Gordon, Robert D. (1985). "The Coccinellidae (Coleoptera) of America North of Mexico". ''Journal of the New York Entomological Society'', vol. 93, no. 1, 1–912.Further reading
* Arnett, R.H. Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). (2002). ''American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea''. CRC Press LLC, Boca Raton, FL. * * Richard E. White. (1983). ''Peterson Field Guides: Beetles''. Houghton Mifflin Company. Coccinellidae Beetles described in 1899 {{coccinellidae-stub