Emerald Ash Borer: A Green Menace







Previous
Next

Where is EAB in Colorado?
- EAB has been confirmed in unincorporated Larimer County and in the cities of Boulder, Gunbarrel, Longmont, Lafayette, Lyons, Superior, Broomfield, Westminster, Erie, Arvada and Thornton.
- The entire City of Boulder was presumed infested at the close of 2015.
- In 2019, EAB was confirmed in the City of Broomfield, the first confirmation in Colorado outside of a federal quarantine, and (for the first time) in unincorporated Larimer County. The EAB quarantine around Boulder County was repealed effective Dec. 30, 2019.
- The most recent confirmed detections have been in Erie (June 2021) and Thornton (June 2022).
Your Ash is on the Line
The Colorado State Forest Service is leading this project to prepare small and mid-sized communities along the Front Range for the emerald ash borer.
Learn more about Your Ash is on the Line.
Contact Us About EAB
Dana Coelho
CSFS Urban and Community Forestry Manager
Dana.Coelho@colostate.edu
Dan West
CSFS Entomologist
Dan.West@colostate.edu
(970) 491-7282