I do find different bugs prefer to munch on the foliage of different plants. Kinda like in "real" life - you find rose aphids on roses. Bugs aren't always named for their eating habits, though If you look really, really carefully in the jars they're captured in, you can sometimes figure out the foilage. Interesting to think about is the color of the _bug_ - hadn't thought about that yet! Now I'll be dreaming about (shudder) "real" bugs!