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

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, ...

An infestation of bark beetles in trees along Interstate 5 will cause intermittent lane and ramp closures throughout the month. According to the Washington State Department of Transportation (WSDOT), ...

Spruce bark is rich in phenolic compounds that protect trees from pathogenic fungi. A research team at the Max Planck ...

Learn more about the chemical arms race between a fungus, a tree, and a beetle.

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 ...

Vast swathes of the country’s trees have been killed off by droughts and infestations, in a trend sweeping across Europe. A shift towards more biodiverse cultivation could offer answers ...

LAKE CHARLES, La. (KPLC) - Concerns are growing statewide over a bark beetle infestation. Trees, especially pines, are vital to Louisiana’s economy. Here in Southwest Louisiana, Vernon, Beauregard and ...

An insect called the western spruce budworm continues to be the most widespread forest pest in Colorado, but a bark beetle with notable infestations in places such as the Grand Mesa is the deadliest ...

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 ...

GREAT FALLS Drought is being blamed for increasing bark beetle infestations in the Northern Rockies, sometimes to epidemic proportions in aging and overgrown forests, experts say. Diana Six, an ...