The state government wants more flexibility to control emerald ash borer.
The Department of Agriculture, Trade and Consumer Protection is applying for a special process that allows it to register pesticide products without prior federal approval.
This would allow the insecticide Tree-age to be used in the control of the invasive pest.
The destructive beetle was found in southeastern Wisconsin in August. There are more than 5 million ash trees in the state's urban areas and another 765 million ash trees in the state's forests.
Tree-age has been shown to control the beetle in Michigan State University studies.
If approved, the special registration will remain in effect for one year.
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