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CODLING MOTH: EMERGENCE, SEX RATIO, AND ABUNDANCE

Published online by Cambridge University Press:  31 May 2012

Elmer A. C. Hagley
Elmer A. C. Hagley
Affiliation:
Research Station, Canada Department of Agriculture, Vineland Station, Ontario
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Abstract

In unsprayed apple orchards in Ontario the sex ratio (female:male) of mature codling moth larvae was negatively correlated with total moth numbers, per cent fruit damage, and the fecundity of first generation females. Changes in both the larval and adult sex ratios were indicative of the tendency of moth populations to increase or decrease from one season to the next.

Type
Articles
Information
The Canadian Entomologist , Volume 106 , Issue 4 , April 1974 , pp. 399 - 402
Copyright
Copyright © Entomological Society of Canada 1974

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References

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