For a couple of years, I've noticed that the leaves of several of my plants including coneflower, dahlia, shasta daisy, hydrangea and now small tomato transplants are being eaten by something. Last year I tried Neem oil, but the amount of damage was to great it seemed. I have about a dozen of these flowering plants around the garden. This year, I put out small tomato plants that I started from seed. Of the 10 tomatoes, 5 were eaten down to the stem. The were small plants and grown from organic seeds from Park Seed. I had the flowering plants eaten last year but not the tomatoes. I read about a flea beetle that targets new leaves so could that be the culprit? I put out the yellow sticky stuff to try and see what came out of the plant and have included a photo here. But if these are good insects I do want to trap them I'm stumped and prefer to not use chemicals. But what can I do? Thanks for your help.