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Weather and Outbreaks of the Spruce Budworm in the Province of Quebec from 1939 to 19561

Published online by Cambridge University Press:  31 May 2012

J. G. Pilon  and
J. R. Blais
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Extract

Nearly all forest regions in the Province of Quebec where balsam fir (Abies balsamea (L.) Mill.) is an important tree component have been subjected to severe defoliation by the spruce budworm, Choristoneura fumiferana (Clem.), during the past 20 years. These outbreaks have followed an easterly direction beginning near the Ontario-Quebec border in 1939 and ending in the Gaspé Peninsula in 1958.

Type
Articles
Information
The Canadian Entomologist , Volume 93 , Issue 2 , February 1961 , pp. 118 - 123
Copyright
Copyright © Entomological Society of Canada 1961

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References

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