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A Further Note on the Relation of Weather to Population Trends of the Black-headed Budworm, Acleris variana (Fern.) (Lepidoptera: Tortricidae)1

Published online by Cambridge University Press:  31 May 2012

G. T. Silver
G. T. Silver
Affiliation:
Forest Entomology and Pathology Laboratory. Victoria, B.C.
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Abstract

The recent black-headed budworm outbreak on the Queen Charlotte Islands is the fourth recorded association between budworm trends and weather. The decrease in this instance was associated with a prolonged period of cold, wet weather which retarded larval feeding and development, resulting in heavy larval mortality. The observations strengthen the previous associations observed between weather and the rise and fall of black-headed budworm populations.

Type
Articles
Information
The Canadian Entomologist , Volume 95 , Issue 1 , January 1963 , pp. 58 - 61
Copyright
Copyright © Entomological Society of Canada 1963

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References

Silver, G. T. 1959. A method for sampling eggs of the black-headed budworm. Jour. For. 57: 203–205.Google Scholar
Silver, G. T. 1960. The relation of weather to population trends of the black-headed budworm Acleris variana (Fern.) (Lepidoptera: Tortricidae). Can. Ent. 92: 401–410.CrossRefGoogle Scholar