Emerald Ash Borer Overview
News and Updates
The invasive tree pest Emerald Ash Borer (EAB) was confirmed in the City of Longmont. This detection is still within a quarantine area established to try and prevent the human-assisted spread of EAB, but represents the first confirmation of EAB anywhere in Colorado outside the City of Boulder. Read the July bulletin from the Colorado Department of Agriculture.
For more information on EAB detection and management going on in Boulder, visit Watch Your Ash, a multimedia project created by graduate students at the University of Colorado Boulder.
Questions and Resources
What does the Emerald Ash Borer Look like?
The insect is metallic and green. It is 1/2'"long and 1/8" wide.
Where has the beetle been found?
The beetle was first identified in Michigan in 2002. Since then it has spread to Canada and 22 states. In September 2013 it was found in the city of Boulder and most recently was found in Longmont.
Has the beetle been found in Arvada?
No. The beetle has not yet been found in the City of Arvada
What trees are at risk?
All species of Ash trees