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NATURAL ENEMIES AND INSECT ASSOCIATES OF THE MOUNTAIN PINE BEETLE, DENDROCTONUS PONDEROSAE (COLEOPTERA: SCOLYTIDAE), IN SUGAR PINE

Published online by Cambridge University Press:  31 May 2012

D. L. Dahlsten  and
F. M. Stephen
D. L. Dahlsten
Affiliation:
Division of Biological Control, Department of Entomological SciencesUniversity of California, Berkeley
F. M. Stephen
Affiliation:
Division of Biological Control, Department of Entomological SciencesUniversity of California, Berkeley
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Abstract

The mountain pine beetle, Dendroctonus ponderosae, and 68 associated insect species were reared from infested sugar pine, Pinus lambertiana. Portions of three infested trees were sectioned by height and the insects emerging from each were identified and recorded. In one tree the number of woodpecker strikes also was noted. The tops of two of the three trees were infested by another bark beetle, Pityophthorus confertus, and from these same two trees the most common parasite obtained was Macromesus americanus.

Type
Articles
Information
The Canadian Entomologist , Volume 106 , Issue 11 , November 1974 , pp. 1211 - 1217
Copyright
Copyright © Entomological Society of Canada 1974

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