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FEEDING PREFERENCES OF A FLEA BEETLE, PHYLLOTRETA CRUCIFERAE (COLEOPTERA: CHRYSOMELIDAE), AMONG WILD CRUCIFERS

Published online by Cambridge University Press:  31 May 2012

Palaniswamy Pachagounder  and
Robert J. Lamb
Palaniswamy Pachagounder
Affiliation:
Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, Manitoba, Canada R3T 2M9
Robert J. Lamb
Affiliation:
Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, Manitoba, Canada R3T 2M9
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Extract

The crucifer flea beetle, Phyllotreta cruciferae (Goeze), feeds primarily on plants in the Brassicaceae (Cruciferae) (Feeny et al. 1970). Introduced from Europe, it is now a widespread pest of canola, Brassica napus L. and Brassica rapa L., in North America (Lamb and Turnock 1982; Weiss et al. 1991). Before canola occupied so much crop land in western Canada, flea beetles were present and presumably fed mostly on wild crucifers. These native and weedy crucifers are potential sources of resistance genes that might be transferred to canola. We examine feeding preferences of flea beetles among nine wild crucifers (Table 1) to determine which, if any, are avoided. The suitability of these plants has already been examined for another crucifer-feeding chrysomelid, the red turnip beetle, Entomoscelis americana Brown (Gerber and Obadofin 1981; Gerber 1984), and the feeding responses of the beetles are compared.

Type
Articles
Information
The Canadian Entomologist , Volume 130 , Issue 2 , April 1998 , pp. 241 - 242
Copyright
Copyright © Entomological Society of Canada 1998

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References

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