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Boxwood leaves #868557
Asked May 15, 2024, 1:45 PM EDT
Boxwood leaves are turning brown and slim with flies living around them
Please advise
Washtenaw County Michigan
Expert Response
It looks like you have some problem with boxwood leaf miners: https://www.canr.msu.edu/news/boxwood_insect_pests This link should help you. You can spray the adults now, but it will be more effective to spray next spring in April.
I hope this helps.