Hillsdale Environmental Commission

Natural Resource and Preservation Hillsdale, NJ

Emerald Ash Borer

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Identifying Ash trees:

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Recognizing the EAB:

The Emerald Ash Borer leaves trails, called galleries, under the bark of the ash tree. When it emerges in the spring, it leaves behind a trademark ‘D’ shaped hole. The adult beetle is shown below compared to a nickel.

Ash trees in good health can be treated before infestation. A list of professionals can be obtained by calling the NJ Board of Certified Tree Experts at 732-833-0325 or via email njtreeexperts@gmail.com.

More Information on the EAB:

NJ Department of Agriculture – Info page for homeowners

NJ Department of Agriculture – EAB home page

Emerald Ash Borer Network

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Quarantine
Movement of firewood and ash are under federal and state quarantine. Contact USDA’s Animal and Plant Health Inspection Service at firewood@aphis.usda.gov for appropriate permits before moving wood or ash trees outside of NJ.

Homeowners
You might have an ash in your yard as it is a popular landscape tree species. If you have ash and live within 10 miles of a known infestation, you can treat your tree to protect it from infestation. If you tree is unhealthy, it should be removed. Contact a certified tree expert for more information.

Landowners
Emerald ash borer is in our state now—if you have ash, plan for EAB. Know what’s at risk: how much ash you have, its size and quality, and where it’s located. Consider the ecological, aesthetic, and economic value of your ash, your tolerance of risk, and your objectives for ownership.

All ash trees in NJ should be considered at high risk for EAB: Even if Emerald Ash Borer has not yet been detected, all ash trees are considered to be at high risk of EAB infestation within the next few years.
Report signs of the beetle to the Department of Agriculture
at 609-406-6939.

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