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R. Turnquist and J. W. E. Harris
The balsam woolly adelgid, Adelges piceae (Homoptera: Adelgidae), was accidentally introduced to North America from Europe and has become an important pest of true firs in the Maritime Provinces, the Northeastern and Northwestern States, and southern British Columbia. The adelgid can damage and sometimes even kill a significant proportion of the true fir in a stand after a few years of infestation. In B. C., its impact on local forest economies has depended upon the significance of Abies sp. in forest stands.
For more information, see the Balsam Woolly Adelgid Forest Pest Leaflet in the Canadian Forest Service bookstore.