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December 8, 2016

Bugs are butchering U.S. forests

  • Scientists say the situation is expected to worsen due to global trade and a warming climate.
    • By MICHAEL CASEY and PATRICK WHITTLE
    Associated Press

    AP Photo/Elise Amendola [enlarge]
    The Hemlock woolly adelgid spends its life on the underside of needles, sucking sap and eventually killing the tree. An expanding army of insects is killing forests from New England to the West Coast.

    PETERSHAM, Mass. — 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.


     
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