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Chrysolina is a large genus of leaf beetles in the subfamily Chrysomelinae. The species Chrysolina cerealis and C. graminis are protected in the United Kingdom. All species of Chrysolina are phytophagous, feeding on specific food plants, and some of them have been used for biological control of weeds. To control Hypericum perforatum (St John's wort), C. hyperici was successfully naturalized in Australia in the 1930s[1][2] and several species, especially C. quadrigemina, were introduced to California in the late 1940s.[2][3][4][5][6]

Systematic classification of European species[edit]


  1. ^ W. T. Parsons, E. G. Cuthbertson. Noxious Weeds of Australia. 2nd ed. Collingwood: CSIRO Publishing, 2001. ISBN 0-643-06514-8. P. 389.
  2. ^ a b Wilfred William Robbins, Alden Springer Crafts. Weed Control: A Textbook and Manual. N.Y.: McGraw-Hill, 1962. P. 137, 155, 162.
  3. ^ Huffaker, C. B. and C. E. Kennett (1959). A ten-year study of vegetation change associated with biological control of Klamath weed. Journal of Range Management 12: 69-82.
  4. ^ Peter Jay Morin. Community Ecology. Oxford: Blackwell, 1999. ISBN 0-86542-350-4. P. 106-107.
  5. ^ Gilbert Waldbauer. What Good are Bugs?: Insects in the Web of Life. Cambridge: Harvard University Press, 2003. ISBN 0-674-01027-2. P. 158.
  6. ^ Richard E. White. A Field Guide to the Beetles of North America. Boston: Houghton Mifflin, 1983. ISBN 0-395-91089-7. P. 296.


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