Investigating the invasive emerald ash borer
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Emerald ash borers create "galleries" under the bark of ash trees, and the damage can eventually kill the tree.
Photo courtesy of Michigan Department of Agriculture
The Minnesota Department of Agriculture is hoping that by encouraging vacationers to burn local firewood, they'll help stall the threat posed by emerald ash borers, an invasive insect that has already destroyed millions of trees.
MPR's Cathy Wurzer talked with Jeff Hahn, an entomologist with the University of Minnesota Extension, about the pest and how to recognize if it's burrowed into your trees.
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