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

“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 ...

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 ...

Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.

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 ...

On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave through the towering trunks on their morning routes, and gray squirrels run ...

The small insect that has killed hundreds of millions of trees across Europe over the past decade can be blown by the wind ...

This is an archived article and the information in the article may be outdated.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 ...