Emerald Ash Borer Confirmed in Winneshiek County, Iowa

The emerald ash borer (EAB), which has already been confirmed in nearly one-third of Iowa’s counties, has been discovered in Decorah. Winneshiek County is the 31st county in Iowa where an EAB infestation has been confirmed.  Last month EAB was found on the University of Iowa campus in Johnson County.  


Read more about this most recent discovery and confirmations of infestation in the Iowa State University Extension and Outreach Yard & Garden news release from March 4, 2016.

Map of emerald ash borer impact
Known distribution of the emerald ash borer in Iowa as of March 4, 2016.


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