EENY-382, a 4-page illustrated fact sheet by Robert E. Woodruff, is included in the Featured Creatures series. It describes these two weevil pests of Opuntia cacti, their synonymy, distribution, description, biology, key to the Florida Species of Gerstaeckeria, hosts, management, and selected references. Published by the UF Department of Entomology and Nematology, July 2006.
Arnett Jr RH. 2000. American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. Boca Raton. 1003 pp. https://doi.org/10.1201/9781482273892
Blatchley WS, Leng CW. 1916. Rhynchophora or weevils of North Eastern America. Nature Publishing Co., Indianapolis. 682 pp. https://doi.org/10.5962/bhl.title.1557
Fisher WS. 1925. New cactus weevil from Texas. Journal of the Washington Academy of Sciences 15: 425-426.
Hunter WD, Pratt FC, Mitchell JD. 1912. The principal cactus insects of the United States. USDA Bureau of Entomology Bulletin 113: 1-71. https://doi.org/10.5962/bhl.title.64983
Kissinger DG. 1964. Curculionidae of America north of Mexico; a key to the genera. Taxonomic Publishing, So. Lancaster, MA. 143 pp.
O'Brien CW. 1970. Taxonomic revision of the genus Gerstaeckeria north of Mexico (Coleoptera: Curculionidae). Annals of the Entomological Society of America. 63: 255-272. https://doi.org/10.1093/aesa/63.1.255
Peck SB, Thomas MC. (1998). Family Curculionidae. A Distributional Checklist of the Beetles (Coleoptera) of Florida. http://www.fsca dpi.org/coleoptera/mike/curculio.htm (29 June 2006).
Pierce WD. 1907. On the biologies of the Rhynchophora of North America. Nebraska State Board of Agriculture Zoological Report (1907): 247-319.
Pierce WD. 1912. Systematic notes and description of some weevils of economic or biological importance. Proceedings of the U.S. National Museum 42: 155-170. https://doi.org/10.5479/si.00963801.1889.155
Small JK. 1925. Gathering cacti in the eastern coastal plain. Journal of the New York Botanical Gardens 26: 241-258, 265-285.