https://en.m.wikipedia.org/wiki/Shot_hole_disease
Looking at the pictures, I think it is fungi infection,not the bug bites
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@JohnLivo, For insect damage where the leaf is eaten, I can usually find the insect responsible close to the damage area. Usually a caterpiller or beetle type. Also, insect frass is normally found in such cases.
The article about it says treat with “Fixed Copper in the Fall”. So there is nothing I can do to fight it until the Fall?
What exactly would I do in the Fall? Spray with copper before leaf fall, or after leaf fall?
I do have a copper product, not sure exactly though what Fixed copper would be.
Thank you for any help you can offer!
John in Kentucky