Emerald ash borer (EAB) is a non-native beetle that has destroyed urban ash trees across the Midwest, costing municipalities millions of dollars in damage.  EAB fatally infects all ash species (genus Fraxinus) that grow in Wisconsin.  (Note:  Mountain ash are genus Sorbus and not affected.)


ALL Wisconsin counties are now under quarantine, although EAB has not yet been detected in some counties.  To see which counties have EAB detections recorded and to read more about quarantines, visit the WI DATCP EAB info page.


The Emerald Ashborer can be difficult to identify because it has a lot of look-alikes.  The image below helps show what a true Emerald Ash Borer looks like and how to differentiate it from other beetles.  If you can identify it, then you can be on the lookout for it!



Without proper planning, cities can find themselves with hundreds of dead and dying street trees, posing safety risks and expensive removal and replanting costs. Proper planning can help.    

Preparedness planning includes:

1. Educate the community about EAB

2. Inventory and locate urban and rural ash trees

3. Identify and prioritize the removal of hazardous trees

4. Budget to treat priority trees

5. Plan for disposal of removed trees

6. Replant with a diverse mix of tree species

To prepare for EAB, we are conducting urban ash tree inventories and writing EAB management plans for each of our partner municipalities. If interested in having Golden Sands RC&D help your community with EAB contact us!


For more information on the Emerald Ash Borer, Ash tree identification, what to do if you have EAB, and more click here.


Information on deciding what to do if your tree has EAB can be found here & here.

To visit the DNR's Community Toolbox for EAB click here.

For insecticide information click here.

For Urban Wood Utilization options click here.

Report a possible new infestation at: DATCPEmeraldAshBorer@wisconsin.gov or call 1-800-462-2803.

EAB adult_Bill McNee_WDNR.jpg
Photo credit: Bill McNee, WI DNR
Photo credit: Linda Williams