The City of Edmonton says the banded elm bark beetle is playing a significant role in spreading Dutch elm disease.

A new, invasive insect species has been detected in Ohio for the first time, authorities said. The elm zigzag sawfly was spotted by researchers infesting elm trees in both Franklin and Delaware ...

Scientists use disease to restore iconic American elm trees - The initiative to protect elms forms part of a broader national ...

The very disease that has decimated millions of American elms in the U.S. is now being used to bring the iconic trees back. In Vermont, Leila Wilson, a research ecologist with the U.S. Forest ...

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 ...

A group of 6,000 young American elms in Vermont could help save one of the country's most iconic trees ...

COLUMBUS, Ohio (WKRC) - A researcher recently discovered a population of an invasive pest species in two different parts of Ohio. While inspecting the area, the researcher found that the elm zigzag ...

BENSON — Elm trees in New England were nearly wiped out by disease more than 50 years ago, but a small number of the majestic trees survived. Now researchers are asking why and hoping the answer could ...

Walking down into the floodplain at the Nature Conservancy’s preserve in Benson, Vermont is like walking into a sea of American elm saplings. The trees criss-cross about 30 acres on the valley floor ...

North Carolina's latest invasive species has been found in western North Carolina, the state Department of Agriculture and Consumer Services said. North Carolina's latest invasive species has been ...

An invasive, elm tree-damaging fly from Asia has been discovered in Michigan for the first time. The elm zigzag sawfly larvae create distinctive zigzag patterns on elm leaves as they feed. While the ...