So you have woolly adelgid, now what?

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The Penn State Extension office in Pittsburgh has been fielding daily phone calls from residents who discovered woolly adelgid on their native Eastern hemlocks.
“The good news is that hemlock woolly adelgid can be managed fairly easily in the residential landscape,” said Brian Wolyniak, Penn State Extension educator in Pittsburgh.
First, homeowners have to identify the woolly adelgid, which this time of year looks like tiny tufts of cotton running along the underside of hemlock branches.
Hemlocks can also be plagued by elongate hemlock scale, which appears as light-colored spots on the needles. Both are treated differently, Wolyniak said. If in doubt, contact your county Penn State Extension office or a tree care company.

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