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Emerald Ash Borer Found in Freeborn County

Emergency quarantine on wood movement put in place

 


St. Paul, MN: The Minnesota Department of Agriculture (MDA) has confirmed emerald ash borer (EAB) in Freeborn County for the first time. There are now 28 counties in the state with EAB.

A contractor for a local electric cooperative was doing tree maintenance along utility lines near the city of Alden when they noticed ash trees with signs of EAB. The contractor contacted the MDA through the department’s Arrest the Pest line, and MDA staff were able to find live EAB larvae and collect samples for federal identification.

Emerald ash borer larvae kill ash trees by tunneling under the bark and feeding on the part of the tree that moves nutrients up and down the trunk. Often, the trees show several signs of infestation because of this. Woodpeckers like to feed on EAB larvae and woodpecker holes may indicate the presence of emerald ash borer. Also, the EAB tunneling can cause the bark to split open, revealing characteristic S-shaped galleries underneath.

Because this is the first time EAB has been identified in Freeborn County, the Minnesota Department of Agriculture is enacting an emergency quarantine to limit the movement of firewood and ash material out of the county. The MDA issues quarantines for all counties known to have EAB to reduce the risk of further spreading the tree-killing insect.

Two virtual open houses for residents and tree care professionals in the county will be held on Wednesday, August 11. Experts from the MDA will give a brief presentation followed by a question-and-answer session.

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Emerald Ash Borer Virtual Informational Meetings

Wednesday, August 11

10-11 a.m. or 6:30-7:30 p.m.

Register at http://www.mda.state.mn.us/eab

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The public will also have an opportunity to provide input on the proposal to add Freeborn County to the state formal quarantine. The MDA is taking comments on the proposed formal quarantine now through September 3 and recommends adopting the quarantine on September 8. The quarantine limits the movement of ash trees and limbs and hardwood firewood out of the county. The proposed quarantine language can be found at http://www.mda.state.mn.us/eab.

Comments can be made during the virtual meeting or by contacting:

Kimberly Thielen Cremers Minnesota Department of Agriculture 625 Robert Street North St. Paul, MN 55155 kimberly.tcremers@state.mn.us Fax: 651-201-6108

EAB was first discovered in Minnesota in 2009.

There is more EAB information on the MDA website at http://www.mda.state.mn.us/eab.

 

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