including this 1500-year-old [bristlecone] tree that had succumbed. I’m no beetle expert, but it looked to me like possibly mountain pine beetle had infected it,” Kitchen said. “There were ...

Find it: In moorland, old native-pine woodland, and rocky areas of the open hill, especially in Scotland. ID: An evergreen shrub or small tree with densely growing, stubby blue-green needles ...

infestation by mountain pine beetles and a deadly fungus called blister rust — they're collectively killing this tree. Losing whitebark pine on the landscape does not mean just losing one type ...

A critical species to the ecosystem is facing a variety of threats. This Earth Day, ABC News is taking a look at solutions for issues related to climate change and the environment with the series ...

University of Alberta research is showing how trees and fungi team up to survive and stay healthy against insect attacks—an ...

As you might be aware, El Paso County and much of Colorado is seeing an uptick in mountain pine beetle (MPB) activity. MPB is a native insect that usually attacks weaker trees as part of a natural ...

Forestryimages.org provides several images of parts of pinyon pine. The tree is a conifer and the ... Pinyon is native to the southern Rocky Mountain region, predominantly in the foothills ...

The trees are fighting an uphill battle. The invasive blister rust fungus, mountain pine beetle infestations, changing wildfire patterns and climate change all threaten this keystone species.

The pest is none other than the mountain pine beetle ... reddish-orange and gray as the beetles killed countless pine trees across the region. Colorado’s popular recreation areas were hit ...

The mountain pine beetle is one of the more common in Colorado. It’s native to our state and most often finds its home in ponderosa, lodgepole and limber pine trees. We often pay more attention ...