Plant disease - Ask Extension
Hi Sir
Can you suggestion what wrong with these tree.
How to treat them.
Thank you
Nontajit Paden
Knowledgebase
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: