Hemlock Trees Killed by Hemlock Woolly Adelgid in Great Smoky Mountains National Park (IMAGE)

Proceedings of the National Academy of Sciences

Hemlock Trees Killed by Hemlock Woolly Adelgid in Great Smoky Mountains National Park

Caption

Hemlock trees killed by hemlock woolly adelgid in Great Smoky Mountains National Park, North Carolina.

Credit

Image courtesy of Songlin Fei.

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