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 ...

HOUGHTON LAKE, Mich. – An invasive insect that kills fir trees has been found in Roscommon County, marking the fifth Michigan ...

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, ...

Minnesota foresters and arborists have been fighting this battle for nearly two decades and while some communities are ...

The Maine Forest Service said earlier this month that a logger reported a suspected infested tree in Benedicta. Forest health ...

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, ...

Minnesota officials marked Arbor Day with renewed warnings about the emerald ash borer, now confirmed in 59 counties. The invasive beetle continues to spread despite years of removal and treatment ...

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 ...