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Emerald Ash Borer in Colorado

By December 6, 2014March 9th, 2017News

The Emerald Ash Borer (Agrilus planipennis) is an invasive species discovered in Michigan in 2002. Most likely introduced from Asian origins, the Emerald Ash Borer (EAB) has killed tens of millions of trees in Michigan alone and tens of millions more across the eastern United States. While the adult EAB is only minimally damaging by feeding on foliage, EAB larvae consume inner bark disrupting the trees ability to transport vital nutrients. This infestation is identifiable in affected ash trees by a dramatically thinning canopy and often a new flush of growth from the trunk will result as well. Symptoms may not be apparent immediately, but the tree will likely die within 2-3 years of the attack.

EAB is now considered the most destructive forest pest in the United States and has recently been sighted in Boulder, CO potentially putting the ash trees of the Roaring Fork Valley at risk. At this point we are not recommending preventive treatments but will be continuing to monitor the situation and any actions to our customers as needed.

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