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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Native Pine Bark Beetles are found under the bark of local pines. The location on the tree will help determine which of the five ...

Fungi may help some tree-killer beetles turn a tree’s natural defense system against itself. This fungi-made perfume might explain why bark beetles tend to swarm the same tree. As climate change makes ...

Clockwise from top left: (1) Two lodgepole pines growing side-by-side with notably different bark textures, (2) a rough-barked limber pine that has been attacked by bark beetles, (3) a limber pine ...

Bark beetles are dark flying insects about the size of a grain of rice that leave tiny holes in the bark and branches of trees. Their very small grubs feed voraciously on the inner bark of trees that ...

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 ...

SPOKANE, Wash. — Spokane's urban forest is facing a significant challenge due to a pine bark beetle outbreak, which has resulted in the removal of at least 200 Ponderosa trees. Urban Forester Katie ...

Louisiana House lawmakers are convening an emergency panel to deal with widespread beetle attacks on pine trees across the state and the public safety concern posed by the problem. It’s not the ...

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, ...