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Emerald Ash Borer
Do I Have Emerald Ash Borer?
Emerald Ash Borer
Emerald Ash Borer
1.)  I think a tree may be infested with EAB.  Go to step #3.

2.)  I suspect I have seen an emerald ash borer.  Go to step #5.

3.)  Is my tree an ash?
            Review this guide:  www.mda.state.mn.us/news/publications/ext/ashtreeid.pdf          
            If yes, go to #5.
            If no, go to #7.

4.)  Does my ash tree have symptoms of emerald ash borer?
            Review this guide:  www.emeraldashborer.info/files/E-2938.pdf                                
             If yes, go to #5.
            If no, go to #7.

5.)  Are the symptoms or insects EAB look-alikes?
            Review this guide:  www.mda.state.mn.us/news/publications/ext/eablookalikes.pdf
            If no, go to #6.
            If yes, go to #7.

6.)  If it could be EAB. Contact the Village of Mokena to have a trained EAB First Detector evaluate your site:  (708) 479-3927

7.)  It isn't EAB; so, what is it?  Visit the University of Minnesota Extension "What's Wrong With My Plant" website to diagnose the problem. www.extension.umn.edu/gardeninfo/diagnostics/deciduous/ash/index.html

8.)  Are there treatment methods available to protect or save my tree from the emerald ash borer?  www.emeraldashborer.info/files/multistate_EAB_insecticide_Fact_Sheet.pdf

9.) Does the Village have a listing of arborists that I can call for consultation or treatment of my Ash trees?

Yes (Click here for list)

10.) What is the difference between public, parkway and private trees and how we view responsibility of tree maintenance.

  • A public tree is one that is located on Village owned properties. This would include (for example)the Village Hall, Police Station, ponds and green space owned by the Village. Ash trees on these properties will be maintained by the Village
  • A parkway tree is located on the small parcel of property, usually between the sidewalk and the street, that is part of the right-of-way. Trees located on parkways are viewed as a partnership between the Village and the property owner. These trees provide value to individual properties as well as the community as a whole. The Village will remove dead trees from the parkway and replace them when resources are available, but this could take a considerable amount of time due to the current economic climate. After assessing the value of the Ash trees located in the parkway, the property owner may decide to assume treatment of the Ash trees to increase the likelihood of preventing the EAB from attacking these trees. This would be at the property owner’s expense.
  • A private tree is one that is located on the property owners lot. The Ash trees on private property will be the responsibility of the property owner for maintenance, treatment (if desired), removal and replacement.

11.) To view a presentation on EAB, click on the link below and scroll to the Emerald Ash Borer Readiness Plan.
EAB Presentation



Village of Mokena • 11004 Carpenter Street • Mokena, IL 60448
(708) 479-3900 • FAX (708) 479-4844