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Distribution of western and northern corn rootworms (Coleoptera: Chrysomelidae) in Quebec, Canada

Published online by Cambridge University Press:  02 April 2012

François Meloche ,
Marc Rhainds ,
Michèle Roy  and
Jacques Brodeur
François Meloche
Affiliation:
Agriculture and Agri-Food Canada, Eastern Cereal and Oilseed Research Centre, Ottawa, Ontario, Canada K1A 0C6
Marc Rhainds*
Affiliation:
Université Laval, Centre de recherche en horticulture, Département de phytologie, Sainte-Foy, Québec, Canada G1K 7PK
Michèle Roy
Affiliation:
Agriculture, Pêcheries et Alimentation Québec, Direction de l'innovation scientifique et technologique, Complexe scientifique, 2700, rue Einstein, Sainte-Foy, Québec, Canada G1P 3W8
Jacques Brodeur
Affiliation:
Université Laval, Centre de recherche en horticulture, Département de phytologie, Sainte-Foy, Québec, Canada G1K 7PK
*
1Corresponding author (e-mail: [email protected]).
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Extract

Corn rootworms, Diabrotica Chevrolat spp. (Coleoptera: Chrysomelidae), are major pests of corn, Zea mays L. (Poaceae), in North America. Overwintering eggs hatch in the spring, and larvae feed on the root system, where they complete development. Emergent adults feed on vegetative and reproductive aerial structures of corn and oviposit in soil cracks or at the base of plants. Although feeding on silks by adult corn rootworms reduces the yield of corn, most of the damage results from root injury caused by larval feeding (Levine and Oloumi-Sadeghi 1991).

Type
Articles
Information
The Canadian Entomologist , Volume 137 , Issue 2 , April 2005 , pp. 226 - 229
Copyright
Copyright © Entomological Society of Canada 2005

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References

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