Then there is the fungus, Beauveria bassiana. This fungus is neither the tree’s nor the beetle’s friend; as a pathogenic ...

Spruce bark is rich in phenolic compounds that protect trees from pathogenic fungi. A research team at the Max Planck ...

The spruce beetle, which has significantly damaged the Rio Grande National Forest, is rapidly making inroads into the San Juan National Forest. The U.S. Forest Service held a meeting this week to kick ...

Bark beetles convert spruce tree defenses into more potent antimicrobials to protect themselves, but a fungus can neutralize ...

DENVER – Spruce beetle infestation may not be the wildfire culprit that experts have led Southwest Colorado to believe, according to a new study. Researchers at the University of Colorado Boulder, ...

Spruce beetles have already affected about 40% of spruce firs in Colorado, leaving their mark on hundreds of thousands of acres of conifer forest. As temperatures increase, researchers at Colorado ...

Sep 19, 2021 Sep 19, 2021 Updated Oct 24, 2022 An epidemic is creeping into Interior Alaska, but it is not attacking people. It is killing forests filled with mature white spruce trees. The culprit is ...

<CBS4) - It's been a tough sight for many to see -- spruce fir forests dying off because of the Spruce Beetle. Now a new report by Colorado State University says above-average temperatures could make ...

Spruce beetles have found a good bedfellow in climate change, a new Colorado State University study reveals. The discovery was accidental for Seth Davis, an assistant professor of forestry at CSU who ...

If the climate continues warming as predicted, spruce beetle outbreaks in the Rocky Mountains could become more frequent, a new multi-year study led by Colorado State University finds. While insect ...

One of the reasons Glen Hemingson bought his home in Anchorage’s Fairview neighborhood was the thick stand of spruce trees in the front yard. “It has the feeling of a forest,” Hemingson said. But soon ...

Jul. 24—One of the reasons Glen Hemingson bought his home in Anchorage's Fairview neighborhood was the thick stand of spruce trees in the front yard. "It has the feeling of a forest," Hemingson said.