There is a low-key battle with bark beetles underway on the flanks of Aspen Mountain. Colorado State Forest Service workers marched down steep slopes two weeks ago, stapling thousands of pheromone ...
Mountain pine beetle-killed trees at Lookout Pass in 2002. Provided by Idaho Dept of Lands. Bark beetles are only about the size of a grain of rice. But for such tiny critters, they can take a big ...