A researcher recently discovered the elm zigzag sawfly infesting elm trees at the U.S. Department of Agriculture's Forest Service Northern Research Station.

A few elm zigzag sawfly larvae were first found on trees in early July and were then officially confirmed by the U.S. Department of Agriculture's Animal and Plant Health Inspection Service on July 21.

The invasive elm zigzag sawfly, which is native to Asia, was spotted by researchers infesting elm trees in both Franklin and Delaware counties, according to the Ohio Department of Natural Resources.

The insects were discovered in Ohio this summer on elm tree leaves at the U.S. Department of Agriculture's forest service research stations in Delaware and in northern Franklin County.

The Franklin Park Village Board passed an ordinance at its Feb. 6 meeting that set new regulations for tree preservation, planting and maintenance in the village. For example, the new rules prohibi… ...

A new invasive insect has been found infesting Ohio elm trees. The elm zigzag sawfly is a caterpillar-like insect native to Asia, according to the Ohio Department of Natural Resources. It was ...

They have also been located on nearby properties. “Elm zigzag sawfly is an invasive insect native to Asia that was first found in Canada in 2020 and in multiple eastern U.S. states in 2021 and ...