An Illustrated Key to the Species of Curculio Linnaeus (Coleoptera: Curculionidae) of North America East of the Mississippi RiverDOI: info:10.4289/0013-8797.120.3.616v. 120No. 3Entomological Society of Washington616–641
Whitehead, Donald R., Chamorro, M. Lourdes, and Anderson, Robert S. 2018. "An Illustrated Key to the Species of Curculio Linnaeus (Coleoptera: Curculionidae) of North America East of the Mississippi River." Proceedings of the Entomological Society of Washington, 120, (3) 616–641. https://doi.org/10.4289/0013-8797.120.3.616.