The hemlock woolly adelgid is an aphid-like insect that attacks eastern and Carolina hemlocks — and can even kill trees in 3-5 years. Adelgids are tiny, but because they live crowded together, their fuzzy white wax coverings make trees look like they’ve been flocked for Christmas. Adelgids have moved into New York these last few…Continue Reading Woolly or not, hemlock woolly adelgid could fall victim to this winter’s cold snaps