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SURVIVAL OF THE BALSAM WOOLLY APHID ON ABIES LOGS

Published online by Cambridge University Press:  31 May 2012

M. D. Atkins  and
T. A. D. Woods
M. D. Atkins
Affiliation:
Forest Research Laboratory, Department of Forestry and Rural Development, Victoria, British Columbia
T. A. D. Woods
Affiliation:
Forest Research Laboratory, Department of Forestry and Rural Development, Victoria, British Columbia
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Abstract

Survival of the balsam woolly aphid on Abies grandis logs was observed to evaluate the danger of spreading the pest while moving logs. Active stages of the aphid survived submergence in sea water for 7 days and periodic sprinkling with sea water for 3 weeks. Dormant stages survived submergence up to 28 days. Active aphids survived on logs in the forest as long as 5 months. Crawlers frequently re-established on logs and completed a second generation there. Dormant neosistentes on autumn-felled trees persisted over winter and resumed development in the spring. Recommendations for moving infested logs through uninfested areas are made.

Type
Articles
Information
The Canadian Entomologist , Volume 100 , Issue 4 , April 1968 , pp. 412 - 420
Copyright
Copyright © Entomological Society of Canada 1968

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References

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