Hemlock Woolly Adelgid

— Written By N.C. Cooperative Extension

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If trees do not have any Hemlock Woolly Adelgids on them at all, they do not need treating. However, if the infestation is very light, or if adjacent trees are infested……...https://www.ces.ncsu.edu/depts/ent/notes/O&T/trees/note119a/note119a.htm

Posted on Aug 9, 2010
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