It is smaller than your fingernail, but this hairy beetle is one of the biggest single threats to the UK's forests. The bark beetle has been the scourge of Europe, killing millions of spruce trees, ...

“Insect herbivores have long been known to accumulate plant defense metabolites from their diet as defenses against their own ...

Add Yahoo as a preferred source to see more of our stories on Google. Trees produce antibodies against harmful fungi. But bark beetles absorb these antibodies and use them to their own advantage. And ...

Foresters will treat as many as 120,000 acres of lands on the Grand Mesa, Uncompahgre and Gunnison national forests to limit the effects of the spruce beetle and aspen decline. The spruce beetle and ...

A new machine-learning system developed at the University of Alaska Fairbanks can automatically produce detailed maps from satellite data to show locations of likely beetle-killed spruce trees in ...

DENVER (AP) — An annual aerial survey of forest health in Colorado shows the mountain pine beetle epidemic is slowing dramatically, but the spruce beetle outbreak is expanding, forest officials said ...

The Town of Vail will begin the removal of approximately 26 spruce trees in the vicinity of the Grand Hyatt in Cascade Village starting on Monday, Oct. 7. The dead and dying trees have been identified ...

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 ...

Spruce bark beetle in a Norway spruce tree, infected with fungus (Image Credit: Benjamin Weiss, Max Planck Institute for Chemical Ecology) Far from being defenceless, plants have acquired all kinds of ...