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PRAIRIE GARDENER: Ash-loving insect boring into Minnesota

Published 04/22/2012, Grand Forks Herald

If you toured this wonderful state park — Minnesota’s crown jewel — last summer, you probably noticed purple tent-like devices scattered in areas of the facility. What you actually saw were three-cornered purple prisms used to detect emerald ash borers. This was an effort by the Minnesota Department of Agriculture to track down and head off the destructive, invasive pest. The department will hang out about 6,500 of these traps in trees around the state beginning this month. This number of traps will be about 2,000 more than in 2011.

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