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 city of Stevens Point will treat two types of city-owned trees over the next few weeks to protect against insects and ...

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 ...

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

A reader of ERR's Novaator science portal noticed diseased ash and elm trees in their home yard and asked what was causing it and what could be done to help the trees. According to Rein Drenkhan, ...