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

The North Carolina Forest Service has been receiving reports of scorched-looking elm trees throughout central North Carolina, from Davidson to Johnston counties. But Jim Slye, the service’s Forest ...

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 ...

Getting your Trinity Audio player ready... Dutch elm disease has been reported back in Denver after more than a decade of its absence. The Denver forestry office discovered the disease last month in ...

If you spot tiny holes and piles of sawdust on your tree, bark beetles could be the culprit. Unfortunately, the solution ...

Q: For the last two years, my house in the near North Valley is infested this time of year with a small bug (about a ¼ inch long) that is dark-colored and seems to have wings. I haven’t seen them fly, ...

The 36 trees planted last week at Boutwells Landing senior living community in Oak Park Heights have a big job: To help revitalize the state’s elm population. The American elm trees, each about 2 ...

An emerald ash borer in the adult beetle stage emerges from the bark of an ash tree. Beetles lay their eggs under the bark, and the larvae cause damage to the tree and eventually kill it. S-shaped ...