Emerald Ash Borer Management	For more information on the Emerald Ash Borer, including how to identify, please click here to view emerald ash borer.pdf
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If your ash trees haven't been treated, they need to be.

The severe decline of ash trees in Metro-Detroit has been confirmed as being caused by an insect, Agrilus planipennis, “emerald ash borer.” This exotic pest originates in Asia and has been detected in only six counties in Michigan. These six counties, Wayne, Washtenaw, Macomb, Livingston, Oakland and Monroe, are under strict quarantine regulations. Ash trees, logs, firewood and nursery stock are prevented from leaving these areas in order to control the spread of the pest. The repercussions of this insect have been compared to the decline of American Elm trees due to Dutch Elm Disease.

Emerald ash borer is a devastating insect to our urban forest since it can kill trees quickly upon infestation (in as little time as 12 months) and has no natural enemies in this region of the world. It has been found feeding on various species of ash trees in stressed or healthy conditions. All ash trees in the quarantine area are susceptible to infestation.

The management techniques of Mike’s Tree Surgeons, Inc. are in accordance with the recommended practices of industry officials:

• If an ash has any visible damage, it should be removed – insecticides will not be effective.

• Ash trees in excellent condition, with minimal to no borer activity, warrants a treatment with an insect control material. Treatments can be performed effectively from April through September for emerald ash borer.
• Ash trees can be protected through various methods such as early season spray applications (small trees only), trunk injections, soil injections or soil drench of systemic insecticides
• Treatments need to be performed annually to provide continuous protection.

We highly recommend to all of our clients that your ash trees be treated for this invasive insect. Please contact us as soon as possible regarding any questions or for more information and current updates, please refer to the website of Dr. David Roberts of Michigan State University Extension at: www.msue.msu.edu/reg_se/roberts/ash/index.html

Thank you.

Sincerely,

Mike’s Tree Surgeons, Inc. Staff