Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.

Spotting a few brown or dying leaves on your tree can be distressing. While it's probably not a reason to panic, it is a sign that you should take a closer look at your tree's health. A lot of ...

NORTHERN MICHIGAN (WPBN/WGTU) -- One of the most common trees found across northern Michigan is at high risk for disease from now until mid-July. We look at why red oaks are more prone to disease now ...

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 ...

The Michigan Department of Natural Resources is urging people to pause any pruning of oak trees to help stop the spread of a deadly tree disease. The risk of oak wilt, an invasive fungal disease that ...

During the period between April 15 and July 15, beetles actively carry spores of fungus from tree to tree, meaning oak trees are at high risk for infection with oak wilt. Oak trees with wounds in ...

Add Yahoo as a preferred source to see more of our stories on Google. Jacaranda tree in bloom against a blue sky - Simon Mcgill/Getty Images Also known as the fern tree because of its fern-like ...

U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm disease, which has wiped out many of the elms in the river's floodplain ...

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...

GREENE COUNTY, N.C. (WNCT) — A tree-killing disease known as Laurel Wilt is affecting over 20 counties in North Carolina, including Beaufort and Greene. N.C. Forest Service recently found Laurel Wilt ...

A new tree disease has spread in forests in Massachusetts, joining invasive pests and climate change as top priorities for foresters to address. The state has found beech leaf disease in more than 90 ...