Preparations continue in fight against insect

July 15, 2014 4:35 PM

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As the emerald ash borer continues its takeover of eastern portions of the city of Winona and Winona County, work continues to manage the local ash tree population and combat the beetle.

The ash borer was found within the city in April, and since, the Minnesota Department of Agriculture has begun releasing stingless wasps in Winona in order to help control it. The department’s ash borer biocontrol coordinator, Jonathan Osthus, said he has been releasing wasps in the city every coupl...

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