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Studies of Predators of the Balsam Woolly Aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae): IV. Neoleucopis obscura (Hal.) (Diptera: Chamaemyiidae), an Introduced Predator in Eastern Canada12

Published online by Cambridge University Press:  31 May 2012

N. R. Brown  and
R. C. Clark
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Extract

Early in the present century the balsam woolly aphid, Adelges piceae (Ratz.), was introduced accidentally into North America. The history of its development and spread in the United States and Canada has been described by Balch (1952). At the present time, the adelgid occurs in eastern Canada over approximately the southern half of New Brunswick with an extension of the range in the extreme northeastern part of the Province, throughout Nova Scotia and Prince Edward Island, and in some areas of the southwestern and southeastern parts of Newfoundland.

Type
Articles
Information
The Canadian Entomologist , Volume 89 , Issue 12 , December 1957 , pp. 533 - 546
Copyright
Copyright © Entomological Society of Canada 1957

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