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INFLUENCE OF WILD FLOWERS ON PARASITISM OF TENT CATERPILLAR AND CODLING MOTH

Published online by Cambridge University Press:  31 May 2012

K. Leius
K. Leius
Affiliation:
Research Institute, Canada Department of Agriculture, Belleville, Ontario
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Abstract

Surveys in unsprayed orchards showed that the wild flowers that are food sources for adult parasites influence the extent to which host Lepidoptera are parasitized. Proportionately about 18 times as many tent caterpillar pupae were parasitized in orchards with rich undergrowths of wild flowers as in orchards with poor floral undergrowths. The corresponding figures for tent caterpillar egg parasitisms were about 4 to 1, and for codling moth larvae about 5 to 1. Orchards with average undergrowths of wild flowers produced intermediate figures.

Type
Articles
Information
The Canadian Entomologist , Volume 99 , Issue 4 , April 1967 , pp. 444 - 446
Copyright
Copyright © Entomological Society of Canada 1967

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