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 ...

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 ...

Researchers in Vermont infected 5,300 American elms with a lethal dose of Dutch elm disease. Those that survive could help ...

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 ...

Some trees and shrubs have a bad reputation for being susceptible to diseases: lilacs to powdery mildew, junipers to juniper tip blight, flowering crabapples to apple scab, and elms to Dutch elm ...

Analysis: The devastation of elm trees in Ireland due to Dutch elm disease is one of the most striking but overlooked changes in our landscape Once a familiar feature of hedgerows, roadsides and urban ...

An elm tree along the Memorial Avenue of Trees in Saskatoon will be removed and replaced under the city's Dutch elm disease ...

Students squinting along a sunny stretch of sidewalk outside the Roanoke College library find a moment of cool refuge beneath the leafy shade of an old, but steady-growing champion. A Dutch elm tree ...