While bark beetles have been slowly infesting trees in Aspen, winter won’t offer any respite. Aspen is currently home to the Douglas-fir beetle, the spruce beetle, the mountain pine beetle, Ips ...

Douglas-fir beetles target larger Douglas-fir and western larch logs greater than 12 inches in diameter. These beetles ...

ISLAND PARK, Idaho – Oblivious to the dry summer heat, Forest Service silviculturist John Councilman hikes through a stand of trees looking for signs of violent struggle. It doesn’t take long.

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Bark beetles are important for New Mexico’s forest ecosystems. They usually attack stressed trees, which are then replaced by younger, stronger trees. Defoliators are insects that eat tree needles or ...

JOINT BASE LEWIS-McCHORD, Wash. – Joint Base Lewis-McChord is full of beautiful forests. Often, the forests are filled with Douglas fir trees, but ponderosa pine is also present. Ponderosa pine is ...

Douglas fir trees around Ashland are dying in the thousands. It’s one example of how our changing climate is affecting forests in the region. Ashland Fire and Rescue Wildfire Division Chief Chris ...

COEUR D'ALENE, Idaho — The Idaho Department of Lands (IDL) is encouraging landowners to get rid of downed trees in order to prevent bark beetle outbreaks in Idaho. Due to the winter storm in December ...

Although Montana has turned a corner on the number of new forested acres infested with bark beetles, there’s concern that one particular type of bug that thrives in burned trees could make a comeback ...