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 ...

An emerging invasive insect species has been causing problems with elm trees across the Midwest. According to the Indiana Department of Natural Resources, the invasive elm zigzag sawfly is active from ...

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 ...

New research from the University of St Andrews, Forest Research and Royal Botanic Gardens Kew present new understandings on ...

NEW YORK-- The state Department of Environmental Conservation is warning the public about a potential invasion of the elm zigzag sawfly. The insects are native to China and Japan and are named for the ...

After Dutch elm disease arrived on a log shipment from Europe in the 1930s and began systematically wiping out our American elms, many of us marked elms off our lists of trees to consider for ...

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 ...

ROANOKE, Va. (AP) — 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 ...

RENO BOTTOMS - The elm tree that towered over Andy Meier was a survivor. At 37 inches around and about 150 years old, it had so far avoided Dutch elm disease, the fungus that wiped out many of its ...