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 ...

While bark beetles have been slowly infesting trees in Aspen, winter won’t offer any respite. Aspen is currently home to the Douglas-fir beetle, the spruce beetle, the mountain pine beetle, Ips ...

CLAUSTHAL-ZELLERFELD, Germany (AP) — Nestled in the spruce trees in the Harz mountains of northern Germany is a bark-eating pest not much bigger than a sesame seed. Known as “book printers” for the ...

Nature gives rise to fascinating adaptations, which can sometimes lead to organisms living in some strange situations. The relationship between bark beetles, spruce trees, and a type of fungus is a ...

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 ...

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.

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Despite the damage incurred by recent hurricanes, notably Hurricane Michael in 2018, the pine tree industry in Florida still is a major contributor to the state’s economy. This industry includes the ...

Bark beetles are attacking trees all over Colorado, but their effects are widely up for debate. State officials and scientists have recently expressed differing opinions on the beetles and the impact ...

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, ...