Tree-harming, invasive elm zigzag sawfly found in Michigan for 1st time
- Posted on June 25, 2026
- By Detroit Free Press
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- 1 min read
Tree-harming, invasive elm zigzag sawfly found in Michigan for 1st time
It's in the elm zigzag sawfly's caterpillar-like larval stage that you're likely to see it - and the distinctive damage it causes to elm leaves
