Emerald Ash Borer in 5 more counties in Iowa - KWWL - Eastern Iowa Breaking News, Weather, Closings

Emerald Ash Borer in 5 more counties in Iowa

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The Iowa Department of Natural Resources says emerald ash borer has been positively identified for the first time in rural Iowa. The beetle kills all ash tree species and is considered to be one of the most destructive tree pests in North America.

Investigators noted a number of ash trees in advanced decline in Lucas County, where it looked like the beetle had been there for several years. The discovery prompted them to expand their search, which led to confirmed infestations in Appanoose, Mahaska, Marion and Monroe counties.

There are now 18 counties in Iowa with confirmed discoveries of emerald ash borer.

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