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 w ...

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 ...

The spruce beetle is blamed for more tree mortality than any other pest. The total acreage impacted of spruce-fire forest impacted by spruce beetle since 2000 has reached 1.89 million acres of ...

Over the past nearly two decades, the spruce beetle tore through more than 120,000 acres of the Weminuche Wilderness, which at 488,210 acres, is Colorado’s largest designated wilderness area.

In fact, Engelmann spruce and subalpine fir trees failed to recover in 74% of the 45 sites sampled. "Bark beetle outbreaks have been killing lots and lots of trees throughout the western United ...

A highly-contiguous genome assembly of the Eurasian spruce bark beetle, Ips typographus, provides insight into a major forest pest. Communications Biology, 2021; 4 (1) DOI: 10.1038/s42003-021-02602-3 ...

DENVER (KDVR) — For the ninth consecutive year, the spruce beetle remains the most damaging forest pest in Colorado. To the Colorado State Forest Service (CSFS), this isn’t a huge surprise. In ...

Spruce beetle still most damaging forest pest in state, aerial work shows By DENNIS WEBB Dennis.Webb@gjsentinel.com Feb 18, 2021 Updated Mar 25, 2022 ...

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 ...

Then their offspring — spruce beetle larvae — feed on the tree’s phloem tissue, the sometimes green, sappy layer just below that bark. It’s also the layer that takes nutrients around the tree.

New way to spot beetle-killed spruce can help forest, wildfire managers Date: June 12, 2024 Source: University of Alaska Fairbanks Summary: A new machine-learning system can automatically produce ...

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 ...