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Article: Beech bark disease confirmed in Door County Insect, fungus work together to kill trees
- Article from:
- The Milwaukee Journal Sentinel (Milwaukee, WI)
- Article date:
- September 17, 2009
- Author:
CopyrightCopyright 2009 The Milwaukee Journal Sentinel. Provided by ProQuest LLC. (Hide copyright information)
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By LEE BERGQUIST
Wisconsin has been hit by a pair of tree-killing invasive pests
that team up to attack beech trees.
The Department of Natural Resources announced Wednesday an
infestation in Door County known as beech bark disease -- the latest
assault of invasive species to afflict the state.
In the most recent case, an insect and fungus work in tandem to
kill trees.
Beech bark disease affects only American beech trees. The nearest
known location outside of Wisconsin is Norway in Michigan's Upper
Peninsula.
The disease is the second attack by an exotic organism affecting
trees in the past year.
Authorities discovered emerald ash borer, a more serious threat
to the state's tree population, ...