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 ...

Like many trees, ash trees undergo leaf shedding each fall and winter. Unlike other trees, ash trees are specifically ...

GOLDEN VALLEY, Minn. — Ash trees are everywhere across Minnesota's landscape, and the reality is that they won't be here much longer, due to the emerald ash borer. If your favorite ash isn’t dead or ...

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, ...

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 ...

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 ...

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, ...

Sap-feeding beetles spread oak wilt fungus during spring months, with infection risk peaking in May and June according to ...

Passers-by should savor their last glimpses of the massive, centuries-old valley oak at the corner of Pope Street and Chiles Avenue. The infested tree could be removed any day. Carlos Uribe, an ...

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 ...