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 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 ...

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

Adult spruce bark beetles in their galleries in the bark of a Norway spruce tree. The beetle in the middle is infected with the fungus Beauveria bassiana. Spruce bark is rich in phenolic compounds ...

ISLAND PARK, Idaho – Oblivious to the dry summer heat, Forest Service silviculturist John Councilman hikes through a stand of trees looking for signs of violent struggle. It doesn’t take long.

This is an archived article and the information in the article may be outdated.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

A small beetle is responsible for the death and decline of billions of ash trees in North America, and the race is on to stop ...