Maple Leaves with holes

nyctricSeptember 18, 2013

I am starting to see my young maple tree having holes on the leaves. However I do not see any insects on the any part of the tree. Is there any other reason that the leaves could have holes other than insects?

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jean001a(Portland OR 7b)

Likely those holes were initiated some time ago. Then, as the developing leaves expanded, the holes enlarged without the help of any critters.

    Bookmark   September 18, 2013 at 11:27PM
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