Colorado State Forest Service

The mission of the Colorado State Forest Service is to achieve stewardship of Colorado's diverse forest environments for the benefit of present and future generations.

Transporting Firewood Can Spread Tree-Killing Insects

Emerald ash borer (larva shown here) is an invasive insect that was first detected in Colorado last fall.
Emerald ash borer (larva shown here) is an invasive insect that was first detected in Colorado last fall.

Firewood is on the minds of many Coloradans as fall approaches, with some stocking up on cords for winter fuel while others plan on procuring a few armloads for hunting trips.

But because of the considerable impact emerald ash borer (EAB), native bark beetles and other insects can have on Colorado forests, the Colorado State Forest Service wants to be sure people are aware of the risks associated with transporting firewood. Read more

CSFS Releases Spruce Beetle Publication

The San Juan Mountains in southwestern Colorado have been heavily infested with spruce beetle. Photo: W. Ciesla
The San Juan Mountains in southwestern Colorado have been heavily infested with spruce beetle. Photo: R. Klatt

An agent of subalpine change, the spruce beetle is a native species in Colorado's spruce forest ecosystem. Endemic populations are always present, and epidemics are a natural part of the changing forest.

There usually are long intervals between such events as insect and disease epidemics and wildfires, giving spruce forests time to regenerate. Prior to their occurrence, the potential impacts of these natural disturbances can be reduced through proactive forest management. Read more