Hemlock Woolly Adelgid

If you want to see more information, click on the picture to view the Fact Sheet.

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Note: There are two fact sheets available for Hemlock Wooly Adelgid.
Hemlock Wooly Adelgid fact sheet and Introduced Biological Control Agents for Hemlock Wooly
Adelgid (HWA) fact sheet.

Hemlock woolly adelgid infestation

Photograph of hemlock wooly adelgid infestation by Robert L. Anderson, USDA Forest Service, www.forestryimages.org

Closeup of hemlock woolly adelgid infestation

Thumbnail photograph and this photograph of hemlock wooly adelgid inestation by Chris Evans, The University of Georgia, www.forestryimages.org