Sep 6, 2023 · Columbus, Ohio – A researcher recently discovered a population of the invasive elm zigzag sawfly infesting elm trees at the U.S. Department of Agriculture’s Forest Service Northern Research Station lab in Delaware and in northern Franklin County.

Sep 5, 2023 · “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 2022,” ODNR Division of Forestry, Forest Health Program Manager Tom Macy said. “This is the first detection of the species in Ohio.”

Apr 27, 2024 · A new invasive insect is emerging in Central Ohio, and state officials want to know if you see one. Here's what to know about the elm zigzag sawfly.

Jun 6, 2024 · A sharp eye at a Forest Service Northern Research Station lab in Delaware, Ohio, made a surprising discovery in July 2023. On an American elm leaf, biological technician Josh Wigal noticed a strange zigzag pattern.

Sep 5, 2023 · According to officials with the Ohio Department of Natural Resources, a population of invasive elm zigzag sawfly has been discovered infesting elm trees at the U.S. Department of Agriculture’s...

Sep 5, 2023 · “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 2022,” ODNR Division of Forestry, Forest Health...

Sep 17, 2023 · A population of the Elm Zigzag Sawfly was discovered infesting elm trees by a researcher at the U.S. Department of Agriculture’s Forest Service Northern Research Station lab in Delaware and in ...

Sep 6, 2023 · COLUMBUS — A researcher recently discovered a population of the invasive elm zigzag sawfly infesting elm trees at the U.S. Department of Agriculture’s Forest Service Northern Research Station lab in Delaware and in northern Franklin County.

Sep 8, 2023 · "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 2022," said Tom Macy, the ODNR Division of...

Jul 1, 2024 · It is a new (er) invasive called the Elm Zigzag Sawfly. In 2020, the sawfly hit the shores of our country, starting in Virginia in 2021 including the Midwest and the eastern U.S. by 2023. They...