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THE BIOLOGY OF CANADIAN BARKBEETLES*

Published online by Cambridge University Press:  31 May 2012

J. M. Swaine
J. M. Swaine
Affiliation:
Ottawa, Ont.
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Extract

During the course of an investigation carried out some years ago by the writer in the Gaspe peninsula of Quebec, it was discovered that adults of Dendroctonus piceaperda Hopk., Polygraphus rufipennis Kby., Ips perturbatus Eichh., and Ips borealis Sw., cut two sets of tunnels the same season and in some cases hibernated and cut tunnels in the following season. Subsequently, a series of detailed studies on the biology of Canadian barkbeetles has been in progress in field laboratories at Fredericton, N. B., Frater, Ont., Vernon, B.C., and Pender Harbour, B. C.

Type
Articles
Information
The Canadian Entomologist , Volume 61 , Issue 7 , July 1929 , pp. 145 - 151
Copyright
Copyright © Entomological Society of Canada 1929

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References

* —Contribution from the Division of Forest Insects, Entomological Branch, Department of Agriculture, Ottawa. Ont.