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EAB confirmed in Fillmore County

Jeffrey Hahn, Extension Entomologist

(The following information is taken from an April 24, 2015 news release from the Minnesota Department of Agriculture)

Last Friday, the Minnesota Department of Agriculture (MDA) identified an emerald ash borer (EAB) infestation in Fillmore County. Fillmore County is the eighth county in Minnesota to confirm the presence of EAB. Additionally, EAB has also been found in Ramsey, Hennepin, Houston, Winona, Olmsted, Dakota, and Anoka (which was just confirmed last month) counties.

Suspected EAB larva and feeding activity consistent with emerald ash borer was found in a boulevard ash tree in the city of Rushford. The infested tree was found through a routine visual survey of ash trees currently being conducted by the MDA. This survey is designed to find EAB in new locations at high risk for EAB infestation.
Verify EAB by finding the larvae or its tunnels
Fillmore County will likely be put under an emergency quarantine this week. The quarantine is in place to help prevent EAB from spreading outside a known infested area. It is designed to limit the movement of any items that may be infested with EAB, including ash trees and ash tree limbs, as well as all hardwood firewood.

Minnesota is highly susceptible to the destruction caused by EAB. The state has approximately one billion ash trees, the most of any state in the nation.
  • 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:
  • Don’t transport firewood. Buy firewood locally from approved vendors, and burn it where you buy it;
  • Be aware of the quarantine restrictions. If you live in a quarantined county, be aware of the restrictions on movement of products such as ash trees, wood chips, and firewood; and,
  • Watch your ash trees for infestation. If you think your ash tree is infested, go to the MDA EAB page and use the “Do I Have Emerald Ash Borer?” guide.
For more information about EAB, see the University of Minnesota Extension publication, Emerald ash borer in Minnesota.

The original MDA news release can be found here.

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