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Cathy Wurzer

Tree-eating bugs arrive on Minnesota border

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Emerald ash borer
The emerald ash borer is responsible for millions of dollars of damage to ash trees in Michigan, and it's spreading to other states. The adult borer is a metallic, coppery-green color and one-third to one-half inch long.
Photo by David Cappaert of Michigan State University, courtesy of www.forestryimages.org

A species of invasive insect that has killed tens of millions of trees in the last decade has been spotted just a mile from the Minnesota border.

MPR's Cathy Wurzer spoke with entomologist Mark Abrahamson, who tracks emerald ash borers for the Minnesota Department of Agriculture.

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Emerald ash borer
The emerald ash borer is responsible for millions of dollars of damage to ash trees in Michigan, and it's spreading to other states. The adult borer is a metallic, coppery-green color and one-third to one-half inch long.
Photo by David Cappaert of Michigan State University, courtesy of www.forestryimages.org