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 ...

University of Idaho and state lands officials are increasingly concerned about emerald ash borers even though the destructive ...

HOLLISTER, Mo. (KY3) - Beneath the serene beauty of the Ozarks, riverfront properties lie a destructive problem: the emerald ash borer. This tiny insect has infected countless ash trees, leaving ...

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 million ...

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, ...

Members of the governor's task force on the Front Range pine beetle infestation met at Chief Hosa Lodge on Wednesday morning amid worries about the expected wide-ranging damage that hangs over ...

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, ...