Bark beetles are attacking trees all over Colorado, but their effects are widely up for debate. The question: Do they ...

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

If you spot tiny holes and piles of sawdust on your tree, bark beetles could be the culprit. Unfortunately, the solution ...

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 ...

A close-up of a bark beetle near a bore hole on a tree trunk. Photo courtesy Getty Images. Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Some scientists and Colorado residents are raising concern that the state’s messaging and management of beetle-killed forests ...

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, ...

After the city removed nearly 200 pine trees from public parks and golf courses due to bark beetle infestations, Spokane homeowners need to know how to protect ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CLAUSTHAL-ZELLERFELD, Germany (AP) — Nestled ...

Quick Take The emerald ash borer (Agrilus planipennis) was first identified as an invasive species in the US in 2002. It is ...