Emergency quarantine on wood movement put in place for Lyon County
department of agriculture

For Immediate Release

Contact:?Brittany Raveill, MDA

651-201-6131

[email protected]

June 30, 2023

Previous Announcements


Emerald Ash Borer Found in Lyon County

Emergency quarantine on wood movement put in place for Lyon County

St. Paul, MN: The Minnesota Department of Agriculture (MDA) has confirmed the presence of emerald ash borer (EAB) in Lyon County for the first time. There are now 41 counties in the state, including Lyon, with EAB.

A homeowner contacted the City of Marshall about a possible EAB infestation. The city superintendent inspected the tree of concern and recognized EAB galleries and other signs from trainings. MDA staff were able to find EAB larvae and collect samples. Federal identification confirmed emerald ash borer.

EAB was first discovered in Minnesota in 2009. The insect 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, 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 Lyon County, the MDA is enacting an emergency quarantine of the county, which limits the movement of firewood and ash material out of the area.

The MDA issues quarantines for all areas known to have EAB to reduce the risk of further spreading the tree-killing insect.

A virtual informational meeting for residents and tree care professionals in Lyon County will be held on Wednesday, July 19, 2023. Experts from the MDA will give a brief presentation followed by a question-and-answer session.

Emerald Ash Borer Virtual Informational Meeting:
Wednesday, July 19, 2023
2-3 p.m.
Register at www.mda.state.mn.us/eab

The public will also have an opportunity to provide input on the proposal to add Lyon County?s emergency quarantine to the state?s formal quarantine. The MDA is taking comments on the proposed formal quarantine now through August 15, 2023, and recommends adopting the quarantine on August 17, 2023. The proposed quarantine language can be found at 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
[email protected]

There is more EAB information on the MDA website.

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