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 ...
For more than 20 years, conservationists have been fighting a tiny insect killing the region's hemlock trees. Efforts to protect the trees through insecticide and the deployment of natural predators ...
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