Emerald ash borer spreads in Janesville

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Marcia Nelesen
Friday, August 2, 2013

Janesville--For the first time, a tree in a Janesville city park was found to be infested with the emerald ash borer.

The infested tree is in Monterey Park.

In addition, beetles were found in ash borer traps in Palmer and Riverside parks. Ten emerald ash borer traps were hung in parks throughout the city.

The discoveries mean it is likely there are other infected trees in the parks and in nearby neighborhoods.

The emerald ash borer was first found in Janesville in private trees near Craig High School on the east side in June 2012.

The bug appears to be spreading quickly through the city as it has now been found on the northwest side.

The bug attacks ash trees and kills them if the trees are not treated.

The city earlier this year cut down 80 ash trees on city property. None of those trees were found to be infected by the bug.

According to a city memo, three other ash trees in Monterey Park were protected recently with chemical treatments. Three ash trees were treated in Palmer Park, and 14 trees were treated in Riverside Park.

Nobody from the city was available late Friday afternoon to answer whether the infected tree in Monterey will be treated or how many ash trees total are in the three parks.

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