Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists ...

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

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...

This is because the beetle can break down the plant-derived compounds (phenolic glucosides) via a water-mediated process ...

Spruce bark beetles hijack their host tree’s chemical defenses, transforming them into potent weapons against fungal threats.

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 ...

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 ...

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.

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 ...