what is this?
It isn't rust, I don't think it is an egg mass, but I don't think it is disease. It doesn't smear like rust and it is too small for me to tell what is inside it.
What is it?
Thanks,
Ed Winkle
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The small ones look like sap-eating insect bites.
ReplyDeleteBut since there is also a long furrow, it might be some worm or larvae or caterpillar.
Any school with a microscope nearby?