Add Yahoo as a preferred source to see more of our stories on Google. A western pine beetle rests on a sap mound on a pine tree. - Charles Wollertz/Getty Images A thriving pine tree is a thing of ...

Are you seeing tiny holes, oozing sap, and thinning crowns on your beautiful weeping willow trees and mighty maples? Don't be too quick to pin it on old age. They could be signs of a much bigger ...

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 ...

Members of the governor's task force on the Front Range pine beetle infestation met at Chief Hosa Lodge on Wednesday morning ...

Bark beetles and blue stain fungus leaves trees dying from drought in Gullen Mall. When Wayne State University’s Ground ...

Q: I have been cutting off the dead branches on borer-infested trees. Should I burn or dispose of these dead branches? A: Flat-headed borers can get in the sunburned limbs and young trunks of peach, ...

Crews have removed infested trees from Manito Park, Downriver Golf Course, Indian Canyon Golf Course and Lincoln Golf Course ...

California officials sounded the alarm Wednesday over the goldspotted oak borer, a metallic beetle barely bigger than a pencil eraser that has already killed more than 200,000 mature oak trees across ...

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, ...