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Minnesota Department of Agriculture confirms Emerald Ash Borer detections in Polk County; quarantine and map updated
Summary
The Minnesota Department of Agriculture confirmed Emerald Ash Borer detections in Polk County, identifying two pockets in Glenwood Township. The agency urged residents to report suspected EAB, explained quarantine movement rules for firewood and ash material, and said the status map will be updated as surveys continue.
The Minnesota Department of Agriculture (MDA) on Tuesday confirmed Emerald Ash Borer (EAB) detections in Polk County, marking the 52nd Minnesota county with known infestations. Jonathan Austis, the MDA’s Emerald Ash Borer technical assistance coordinator, said the department has identified two pockets in Glenwood Township near 190 Fifth Avenue (Highway 55) and along Memorial Drive near County Road 21.
Why it matters: EAB is a wood‑boring beetle that kills ash trees by larval tunneling in the cambium. The new Polk County detections expand the agency’s quarantine footprint and affect movement rules for firewood and regulated ash products.
Austis described the…
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