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 ...

It's in the elm zigzag sawfly's caterpillar-like larval stage that you're likely to see it - and the distinctive damage it ...

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 ...

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 ...

The devastation of elm trees in Ireland due to Dutch elm disease is one of the most striking but overlooked changes in our landscape ...