New emerald ash borer finds in Wisconsin

Posted on by Kirsten Held

Much of Wisconsin has reached peak emergence of emerald ash borer adults.

EAB emergence map as of August 28, 2017. In the north the light green shows peak emergence, and olive is past peak emergence.

EAB emergence map as of August 28, 2017. In the north the light green shows peak emergence, and olive is past peak emergence.

EAB continues to be found in new areas. Wisconsin tracks EAB at the municipality or township level. Quarantine counties are shown in tan and infested areas are shown in green on the map below.

EAB quarantine map. Counties shaded in tan are quarantined for EAB, and include much of the southern half of Wisconsin, as well as other counties. Areas shaded in green are the townships and municipalities where EAB has actually been identified, and show that not all counties that are quarantined are fully infested.

EAB quarantine map. Counties shaded in tan are quarantined for EAB, green areas are townships and municipalities where EAB has actually been identified.

Click here for a larger version of the map: EABDetectionsQuarantines

New county quarantines:

  • none

New finds in counties already quarantined:

  • Columbia County – town of Caledonia and villages of Poynette and Rio
  • Crawford County – village of Soldiers Grove
  • Dodge County – towns of Herman and Theresa
  • Fond du Lac County – village of Campbellsport
  • Grant County – city of Boscobel
  • Green County – town of Sylvester
  • La Crosse County – city of West Salem
  • Manitowoc County – city of Manitowoc
  • Sheboygan County – village of Howards Grove, towns of Mosel, Rhine and Russell

Written by: Linda Williams, forest health specialist, Woodruff, (Linda.Williams@wisconsin.gov), 715-356-5211 x232.

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