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Plant disease #649029

Asked June 10, 2020, 4:45 PM EDT

Hi Sir Can you suggestion what wrong with these tree. How to treat them. Thank you Nontajit Paden

Multnomah County Oregon

Expert Response

Looks like a leafminer insect. They eat between the layers of the leaf and you might be able to see them if you are close enough and if they have not exited. Not sure what type of tree you have. Looks kind of like an alder but could be a birch. Have a look here to read about it:

Jay W. Pscheidt, PhD, Professor Replied June 11, 2020, 4:51 PM EDT

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