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The Bark Beetle Complex Associated with Lodgepole Pine Slash in Alberta1: Part 1—Notes on the Biologies of some Scolytidae attacking Lodgepole Pine Slash

Published online by Cambridge University Press:  31 May 2012

R. W. Reid
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Extract

This investigation was carried out to determine and explain some of the major factors underlying the variability in concentration of certain bark beetles in slash laid down under different cutting systems. Little is known on the life histories and natural control factors of many of the bark beetles inhabiting lodgepole pine (Pinus contorta Dougl. var latifolia Engelm.) and on the effect which different methods of logging have on the insects. Flash outbreaks in lodgepole pine stands frequently result from the breeding of certain bark beetles in slash remaining after logging operations. The opportunity to carry out this investigation was presented to the Calgary Laboratory in 1952, when the Federal Forest Service initiated studies on selectively cut lodgepole pine. This eventually became a co-operative project between the Federal Forest Service, Department of Northern Affairs and National Resources, and the Calgary Laboratories of Forest Zoology and Forest Pathology of the Division of Forest Biology.

Type
Articles
Information
The Canadian Entomologist , Volume 87 , Issue 7 , July 1955 , pp. 311 - 323
Copyright
Copyright © Entomological Society of Canada 1955

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