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 ...

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 ...

The pest hasn't yet been identified in Androscoggin County towns, but one state entomologist said it's only a matter of time. An invasive insect that weakens and kills hemlock trees is steadily ...

A new hemlock hybrid named Traveler, 20 years in the making, has been developed by the Agricultural Research Service to address the devastating effects of a pest named the hemlock woolly adelgid.

The pest poses a problem for homeowners who have planted or previously had hemlock trees, but the infestation is not a significant threat to Washtenaw’s natural resources and environment ...

SEQUIM — Researchers are looking to western hemlock trees on the Miller Peninsula east of Sequim to collect data that could help save hemlock trees on the East Coast from dying at alarming rates.