Explanation of Names
Chrysolina quadrigemina (Suffrian 1851)
Range
intoduced in n. US and Can. -
Map (1)(2), native to Europe
Life Cycle
Adults emerge from pupal cell in soil in the spring. One generation a year.
Remarks
Introduced from Australia in 1944 to combat Klamath weed (it could not be obtained from Europe because of war).
Print References
Harris, P., Peschken, D., and Milroy, J. 1969. The status of biological control of the weed Hypericum perforatum in British Columbia. Can. Entomologist, 101: 1-15.
Holloway, J. K., and Huffaker, C. B. 1951. The role of Chrysolina quadrigemina in the biological control of Klamath weed. J. Econ. Ent. 44: 244-7.
Hoebeke, E.R. 1993. Establishment of Urophora quadrifasciata (Diptera: Tephritidae) and Chrysolina quadrigemina (Coleoptera: Chrysomelidae) in portions of eastern United States, Ent. News, 104: 143-152.