Add Yahoo as a preferred source to see more of our stories on Google. Volunteers paint lime wash on an oak tree that is dying from a beetle infestation in Silverado Canyon on Thursday. (Allen J.

A small beetle is responsible for the death and decline of billions of ash trees in North America, and the race is on to stop it from causing further damage. The USDA is hoping to spread the word so ...

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 ...

New Jersey has done it. And so has Illinois. Now forestry and agricultural officials need your help to add South Carolina to the list of places that have eradicated the invasive and deadly Asian ...

The aggressive Redbay Ambrosia beetle is no bigger than Abraham Lincoln’s nose on a penny, but over the last two decades, the invasive insect has managed to kill more than 500 million trees in North ...

WORCESTER – The message for some homeowners is clear: Do a better job of watering and maintaining the trees in your yard. If you don’t, don’t be surprised if they die. That message rang loud and clear ...

Nature gives rise to fascinating adaptations, which can sometimes lead to organisms living in some strange situations. The relationship between bark beetles, spruce trees, and a type of fungus is a ...

Ron Durbin, who trekked with a group into a rugged Santa Clarita canyon, quickly spotted nearby trees pockmarked with D-shaped “exit holes,” a deadly calling card. This was the work of the goldspotted ...

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, ...

It may boast a beautiful shade of green but the Emerald Ash Borer destroys ash trees with a vengeance. The emerald ash borer (Agrilus planipennis) was first identified as an invasive species in the US ...