Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, according to a recent study from the University of Eastern Finland published in Trees, ...

In Finland, forest stands damaged by the European spruce bark beetle (Ips typographus) tend to concentrate in groups and form clusters, especially in mature Norway spruce forests close to previous ...

Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists recently discovered. But a special fungus can help the trees circumvent this ...

A new study predicts the likelihood of European spruce bark beetle damage, Ips typographus, at stand level in Finland, opening a path to proactive interventions for bark beetle management. Researchers ...

Researchers climbed General Sherman, the world's largest tree, for the first time ever and gave it a clean bill of health. The researchers were looking for bark beetles, which have become more ...

SPOKANE, Wash. — Crews in Spokane are working this week and next to remove trees in city parks that have been damaged by bark beetle infestation. The city says crews will remove around 250 trees from ...

Your Reporter Olivia Young specializes in coverage of Douglas County in Colorado. Share your story ideas with her by sending an email to yourreporter@cbs.com. As Colorado experiences its signature ...

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study shows. Bark beetle-infested spruce trees begin to dry out already before ...

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 ...

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study from the University of Eastern Finland shows. Led by Dr Samuli Junttila, ...