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 ...

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 ...

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.

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 ...

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 ...

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 ...

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 ...

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 ...

The hemlock is one of my favorite trees because of its huge size and that it grows along mountain springs and creeks that are ...