Homeowners and tree growers can find out more about the emerald ash borer by reading this brochure and fact sheet from the Colorado State University Extension. Also, be sure to view this helpful and newly-updated emerald ash borer resource guide from the Colorado Dept. of Agriculture.
What are the signs of emerald ash borer infestation? Look for D-shaped holes, sparse or thinning canopy, bark splitting, shoots sprouting from the trunk, and increased woodpecker activity.
|Emerald Ash Borer. Photo courtesy Colorado State Forest Service.|