Douglas-fir trees are most commonly affected, but similar problems occur with other conifers, including grand fir, noble fir, ... and also can become sites of attack by bark beetles.

They are known for their epidemics in white fir, grand fir and noble fir, but most epidemics are in California, Oregon, Washington and British Columbia. Engravers will kill a few Douglas-fir and ...

The bark beetles — known as Scolytus or “fir engravers” — are infesting mature grand white, red and noble firs in the area, as well as Douglas fir and Englemann spruce.

I have been to Ouray many times, but this summer the view was distressing. The town of Ouray is at the base of Red Mountain Pass, and directly above the town is the aptly named Amphitheater Campgro… ...