Forest Health
Forest health is something that should never be taken for granted. These are a few of the
emerging and potential threats to Michigan’s forest’s health. Click on the
following links for more information.
Beech Bark Disease
Beech bark disease causes significant mortality and defect in American beech,
Fagus grandifolia (Ehrh.). The disease results when bark, attacked and altered by the
beech scale...more
Emerald Ash Borer
In the summer of 2002, scientists detected a new exotic
insect in six southeast Michigan counties... more
EAB Tollfree Hotline:
1-866-325-0023Gypsy Moth
The gypsy moth, Lymantria dispar, is one of North America's most devastating
forest pests...more
Oak
Wilt
Oak wilt is a fungal infection affecting oak trees. All species of
oak are susceptible with red oaks being particularly vulnerable. In red oaks, oak wilt is
almost always lethal and death can occur in as little as one month...more
West Nile Virus
West Nile virus (WNV) is a potentially serious illness. Experts
believe WNV is established as a seasonal epidemic in North America that flares up in the
summer and continues into the fall. This fact sheet contains important information that
can help you recognize and prevent West Nile virus...more
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Sign of Beech Bark Disease
Emerald Ash Borer damage
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