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RHYTHMIC EMERGENCE PATTERNS OF THE MOUNTAIN PINE BEETLE DENDROCTONUS PONDEROSAE (COLEOPTERA: SCOLYTIDAE)

Published online by Cambridge University Press:  31 May 2012

J. A. Watson
J. A. Watson
Affiliation:
Forest Research Laboratory, Department of Fisheries and Forestry, Calgary, Alberta
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Abstract

Logs of lodgepole pine (Pinus conforta Dougl. var. latifolia Engelm.) supporting immature Dendroctonus ponderosae Hopkins were maintained under conditions of non-fluctuating temperature and light. The rate of emergence of the adult beetles exhibited a rhythmic, possibly circadian, emergence pattern. When the temperatures fluctuated the emergence rate was always greatest in higher temperature.

Type
Articles
Information
The Canadian Entomologist , Volume 102 , Issue 8 , August 1970 , pp. 1054 - 1056
Copyright
Copyright © Entomological Society of Canada 1970

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References

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