Spread by trade and climate, bugs butcher America’s forests

PETERSHAM, Mass. (AP) — In a towering forest of centuries-old eastern hemlocks, it's easy to miss one of the tree's nemeses. No larger than a speck of pepper, the Hemlock woolly adelgid spends its life on the underside of need…

PETERSHAM, Mass. (AP) — In a towering forest of centuries-old eastern hemlocks, it's easy to miss one of the tree's nemeses. No larger than a speck of pepper, the Hemlock woolly adelgid spends its life on the underside of needles sucking sap, eventually killing the tree….

AP Top News at 1:39 a.m. EST
at