NORTON SHORES, Mich. — A small insect could create a huge problem for one of Michigan’s most prominent tree species. Hemlock Wooly Adelgids, or HWAs, are tiny insects that nest at the base of hemlock ...

The hemlock woolly adelgid first started becoming a problem in the Finger Lakes in the 2000s. The invasive species can kill hemlock trees as the pest feeds, leading to series problems for plants, ...

Invasive insect species have, in the past 20 years, replaced native insects as the "biggest problem" facing Wisconsin's trees, said Bill McNee, a forest health specialist at the Wisconsin Department ...

ALBANY, N.Y. (NEWS10) — The New York State Department of Environmental Conservation (DEC) is encouraging residents to report sightings of the invasive hemlock woolly adelgid (HWA). The DEC said this ...

For nearly two decades, North Carolina’s Hemlock trees have been under attack, and it's a problem that's not going away anytime soon. In the mighty mountains of western North Carolina, a tiny creature ...

Round, white hemlock woolly adelgid ovisacs are found on the undersides of branches near the base of the needles. (Michigan Department of Natural Resources) The Michigan Department of Natural ...

The hemlock woolly adelgid, an invasive aphid-like insect, is destroying Pennsylvania’s state tree and its forest. It is a headache to many homeowners and conservationists, but there are ways to ...

The hemlock woolly adelgid has spread throughout the state, but Cornell University and the DEC may have a solution.