Ash Trees

Michigan News
9:51 am
Wed May 7, 2014

Researchers: Ash Borer May Have Arrived in 1990s

Emerald Ash Borer
Credit wikimedia

Researchers say an invasive beetle that's destroyed tens of millions of ash trees in the U.S. and Canada may have arrived in North America a decade before it first was detected.   Michigan State University researchers collected cores from trunks of more than 1,000 ash trees in six southeastern Michigan counties.

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Environment
8:02 am
Tue May 28, 2013

Insects Threaten Michigan Hemlock Trees, May Face Similar Fate as Ash Trees

Hemlock woolly adelgid (Adelges tsugae), commonly abbreviated as HWA, is a true bug native to East Asia that feeds by sucking sap from hemlock and spruce trees.
Credit Agricultural Experiment Station / © Bugwood.org / CC-BY-3.0-US

Hemlock trees in Michigan face an insect threat similar to the bug that wiped out most of the state's ash trees.  WEMU's Bob Eccles has the story. 

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