The Elm zigzag sawfly (Aproceros leucopoda), or EZS for short, is an invasive defoliating pest that can cause damage on both native and nonnative elm species. Originally from East Asia, EZS was first detected in North America in 2020 in Canada, before being observed in the US in Virginia the following year. Since then it has been detected in several states, with a few more being added to the list in 2024. Check out this updated range map from NC State Extension!
Forest Health News
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October 15th, 2024Updated Elm Zigzag Sawfly Range Map
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