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Wisconsinites are trying new things to stop the tree-killing emerald ash borer

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River Falls, 54022
River Falls Wisconsin 2815 Prairie Drive / P.O. Box 25 54022

Wisconsin cities and forests are trying new things to stop the emerald ash borer from spreading.

The tree-killing beetle was first discovered in the state 14 months ago.

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In Milwaukee, crews will finish spraying insecticides next year on 28,000 city-owned ash trees. The job's about half done.

Officials will then urge Milwaukee property owners to either treat their ash trees, or replace them with other varieties.

In Sparta, crews are removing unhealthy ash trees which are not infested with the ash borer.

And they're removing healthy ash trees under power lines.

Meanwhile, officials at state and national forests in Wisconsin plan to follow a strategy used in Michigan.

Pieces of bark are slashed from the largest healthy trees in an infested area, to lure the bugs there.

When that happens, the trees are chopped down and supposedly the beetles go away.

State experts first found the emerald ash borer in Newburg, where an infestation has been spreading in Ozaukee and Washington counties.

The state DNR plans to hold a day-long meeting with nearby landowners on Oct. 24.

They'll be urged to cut down some of their healthy trees but they won't be forced to do it.

There's also a larger infestation in Vernon and Crawford counties along the Mississippi River. The bug has also been spotted in Green Bay, Kenosha and Franklin.

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