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How the Hemlock Woolly Adelgid threatens the N.C. mountains 

In 2010, Cary officials spotted the signs of the adelgid at Hemlock Bluffs Nature Preserve: tiny white spots that resemble cotton balls—the egg sacs—had formed on the needles.

Image credit: Photo courtesy of the NCSU Dept. of Entomology

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Uploaded: Jun 27, 2012
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