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SCOLYTID FLIGHT IN WHITE SPRUCE STANDS IN ALASKA

Published online by Cambridge University Press:  31 May 2012

Roy C. Beckwith
Roy C. Beckwith
Affiliation:
Institute of Northern Forestry, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, Fairbanks, Alaska
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Abstract

Within white spruce stands near Fairbanks, Alaska, and on the Kenai Peninsula, Alaska, Dendroctonus rufipennis, Ips spp., and Trypodendron lineatum disperse in late May and early June; other scolytids fly during June and July. Flight in interior Alaska precedes by about 2 weeks that on the Kenai Peninsula. Mean daily temperatures during spring and early summer are generally warmer in the interior than in coastal areas. There was a large increase in the total number of beetles in a thinned area, mostly of Dryocoetes affaber.

Type
Articles
Information
The Canadian Entomologist , Volume 104 , Issue 12 , December 1972 , pp. 1977 - 1983
Copyright
Copyright © Entomological Society of Canada 1972

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