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The areas infested with EAB have exceeded
40,000 square miles in Michigan; Indiana; Ohio and Ontario, Canada.
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This Web site is part of a multistate effort in Michigan, Ohio and Indiana to
bring you the latest information about emerald ash borer.
Emerald Ash Borer
Emerald ash borer (EAB), Agrilus planipennis Fairmaire, is an exotic
beetle that was discovered in southeastern Michigan near Detroit in the summer
of 2002. The adult beetles nibble on ash foliage but cause little damage.
The larvae (the immature stage) feed on the inner bark of ash trees, disrupting
the tree's ability to transport water and nutrients. Emerald ash borer probably
arrived in the United States on solid wood packing material carried in cargo
ships or airplanes originating in its native Asia. Emerald ash borer is also
established in Windsor, Ontario, was found in Ohio in 2003, northern
Indiana in 2004, and northern Illinois in 2006. Since its discovery, EAB has:
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Killed more than 20 million ash trees in Michigan,
Ohio and Indiana. Most of the devastation is in southeastern Michigan. |
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Caused regulatory agencies to enforce quarantines
(
Ohio,
Indiana,
Michigan)
and fines to prevent potentially infested ash trees, logs or firewood from moving out
of areas where EAB occurs. |
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Cost municipalities, property owners, nursery operators and forest
products industries tens of millions of dollars. |
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What's Being Done
A concerted effort to stop EAB has been launched by state and federal officials.
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Research is being conducted at universities,
as well, to understand the
beetle's life cycle
and find ways to detect new infestations, control EAB adults and
larvae, and contain the infestation. |
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Eradication
efforts by state and federal agencies in Michigan, Ohio, Indiana and
Canada are under way to prevent small infestations from growing into large
infestations. |
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Quarantines are in place to prevent infested ash firewood, logs or
nursery trees from being transported and starting new infestations.
This Web site provides information from Michigan State University,
Purdue University, the Ohio State University, the Michigan and Ohio
departments of Agriculture; the Michigan, Indiana and Ohio departments
of Natural Resources; the USDA Forest Service; and the USDA Animal and
Plant Health Inspection Service (APHIS). Our goal is to help you
find answers to your questions about EAB. We also provide links to other
EAB-related Web sites. Please check this site often because information changes
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What to know about EAB:
If you suspect you may have EAB in your ash trees, call these numbers:
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Michigan - 1-866-325-0023. |
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Indiana - 1-866-NO-EXOTIC. |
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Ohio - 1-888-OHIO-EAB. |
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Wisconsin - 1-800-462-2803. |
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Illinois - contact your county Extension office. The Illinois
Department of Agriculture also will offer a toll-free hotline at
800-641-3934 for extension-confirmed infestations. |
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USDA APHIS 1-866-322-4512. |
Scientists are studying methods of controlling EAB. The latest information on
insecticide evaluations can help homeowners,
arborists and landscapers decide
if and how they can treat trees for EAB in certain areas in southeastern Michigan.
IMPORTANT NOTE: Using insecticides to control EAB on ash trees is an option
within the contiguous EAB quarantine counties in southeastern Michigan, northern Ohio, and in
selected counties in Indiana. If your tree is located within an area designated for eradication
or suppression activities, it may be removed by regulatory agencies even if it has been treated.
In those cases where government-ordered tree removals occur within the contiguous EAB quarantine
counties, consideration will be given to ash trees treated by certified applicators utilizing
methods and materials recommended by Michigan State University. If your ash trees are located
outside of this area in Michigan, Indiana or Ohio, using insecticides may not be recommended.
If you are not sure about the regulatory status of your area or whether you should consider
insecticides, please contact your county Extension office.
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