even as enlarged as I could get it, there's not a lot of detail in your picture so I don't know. It might help if you could show a picture of what the damage they do looks like. That's often quite distinctive:
Flea beetles look a bit like that and they leave a whole bunch of tiny holes:
https://walterreeves.code18interactiv.ne ... 00x332.jpg
Blister beetles chew the leaf edges up and leave behind a whole bunch of nasty droppings:
https://gardendesk.typepad.com/.a/6a00e5 ... e5028a4-pi
stinkbugs are juice suckers and don't leave much holes just some little scars and puckered and yellowish areas:
and so on .... show us what the damage looks like!