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EAB verified in Wabasha County

Jeffrey Hahn, Extension Entomologist

(The following information is taken from a February 29, 2016 news release from the Minnesota Department of Agriculture)

The Minnesota Department of Agriculture (MDA) has identified emerald ash borer (EAB) in Wabasha County. MDA staff found EAB larvae in an ash tree in the southeastern corner of the county after being alerted to some suspicious trees by Minnesota Department of Natural Resources (DNR) staff. The trees displayed symptoms of EAB infestation, including bark splits and insect tunneling under the bark.
Emerald ash borer galleries, a symptom
of an infested tree. Photo: Jeff Hahn,
UMN Extension

This is not too surprising as EAB was found earlier this month in Winona County just south of the Wabasha County border. Because this is the first time EAB has been identified in Wabasha County, the county will be placed under emergency quarantine which will limit the movement of firewood and ash material out of the county. Currently 11 Minnesota counties and Park Point in the city of Duluth (St. Louis County) are under quarantine to prevent the spread of the emerald ash borer.

The biggest risk of spreading EAB comes from people unknowingly moving firewood or other ash products harboring larvae. There are three easy steps Minnesotans can take to keep EAB from spreading:

For more information about EAB, see Emerald ash borer in Minnesota. See also the MDA news release, MDA identifies emerald ash borer in Wabasha County.

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