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, ...

News that the spruce beetle infestation in the San Juans has crossed the Continental Divide with its sights on alpine forests north of Durango has sparked a host of reactions, with sadness a common ...

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 ...

As spruce beetles attack trees across Southcentral Alaska, we want to learn more about your experiences with them. What are you doing to try to keep your spruce trees alive? Are you mourning the loss ...

A spruce under attack by the spruce beetle, however, can seem healthy enough, Grand Valley Ranger District Forester Christie LaDue said. The needles on affected trees will turn gray, but the effect is ...

The spruce beetle added 64,000 acres in 2014 to the Grand Mesa, Uncompahgre and Gunnison national forest lands it has infested, according to an annual survey. The growth of the infestation means a ...

Spruce trees killed by beetle do not correlate wth higher wildfire danger, CU-Boulder researchers find. Photo courtesy of Wikimedia. Contrary to expectations that spruce beetle infestations increase ...

A new University of Colorado Boulder study indicates drought high in the northern Colorado mountains is the primary trigger of a massive spruce beetle outbreak that is tied to long-term changes in sea ...

(CBS4) --State and federal forestry experts emphasized the weakening of trees due to drought conditions while presenting their latest observations made during an aerial survey of Colorado and Wyoming ...

An international research team demonstrates that the European spruce bark beetle (Ips typographus) uses volatile fungal metabolites of plant defense substances as important chemical signals in their ...

The mass outbreaks of bark beetles observed in recent years have caused shocking amounts of forest damage throughout Germany. As reported by the Federal Statistical Office in July 2022, more than 80% ...