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The original item was published from 5/30/2017 10:51:00 AM to 6/16/2017 12:00:03 AM.

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General Fitchburg Press Releases

Posted on: May 30, 2017

[ARCHIVED] Emeral Ash Borer Found in City of Fitchburg

Emerald ash borer (EAB) has been found in the City of Fitchburg, along County Highway M near the intersection with County Hwy MM and Highway 14.  No new quarantine will be issued as Dane County has been under quarantine since 2013.

"The confirmation of EAB in Fitchburg is not surprising," said Anna Healy, Urban Forester and Naturalist for the City of Fitchburg. "We have been expecting this since the beetle was confirmed in Madison in 2013. If anyone was waiting to treat ash trees on their private property until the beetle was found in the City, now is the time to start." Only ash trees (Fraxinus genus) are susceptible to emerald ash borer. Property owners with ash trees may consider hiring a certified arborist to inspect and / or treat their ash trees.  A list of certified arborist can be found at

Signs of possible EAB infestation include thinning of branches in the canopy, D-shaped holes in the bark, new branches sprouting low on the trunk, cracked bark, and woodpeckers removing the bark to get to insect larvae beneath it.

The City of Fitchburg currently maintains 691 ash trees on City property, 503 of these trees are located in the terrace and 188 are in parks.  All public ash trees are inspected and treated bi-annually with TREE-äge (active ingredient Emamectin Benzoate).  Ash trees are inspected prior to treatment to ensure they are good candidates for treatment.  The trees that are not treated are scheduled for removal and replacement.

More information on the City of Fitchburg website at More detailed information on the emerald ash borer infestation in Wisconsin can be found at


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