Balsam Woolly Adelgids Kill Firs (IMAGE)

University of California - Santa Barbara

Balsam Woolly Adelgids Kill Firs

Caption

Balsam woolly adelgids, small wingless insects that infest and kill firs, especially Balsam Fir and Fraser Fir, were introduced from Europe around 1900. They have destroyed roughly 95 percent of the Fraser firs in the Great Smoky Mountains National Park, and have had a significant impact on forests in the Pacific Northwest.

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University of California Santa Barbara

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