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Studies of Predators of the Balsam Woolly Aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae) VIII. Syrphidae (Diptera)1, 2

Published online by Cambridge University Press:  31 May 2012

N. R. Brown  and
R. C. Clark
N. R. Brown
Affiliation:
Professor of Forest Entomology, Faculty of Forestry, University of New Brunswick, Fredericton, N.B.
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Extract

Several species of native syrphids have been found to prey upon the introduced balsam woolly aphid, Adelges piceae (Ratz.), in New Brunswick and three of these, Syrphus torvus O. S., Metasyrphus lapponicus (Zett.), and Neocnemodon coxalis (Curr.), are sometimes very common. As part of a long-term study of the biological control of the balsam woolly aphid by native and introduced predators, the life histories, natural control, population fluctuations and control value of these native syrphids have been investigated.

Type
Articles
Information
The Canadian Entomologist , Volume 92 , Issue 11 , November 1960 , pp. 801 - 811
Copyright
Copyright © Entomological Society of Canada 1960

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References

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