This is a paper wasp devouring a monarch caterpillar. . . .

And this is what's left of a monarch caterpillar after a wasp is through with it:

Lizards (or anoles as most of our lizards are appropriately called) eat butterfly eggs and caterpillars. Here is a lizard with an adult butterfly. It was at the end of it's life and was struggling on the sidewalk. I could see the lizard eyeing it and then grab it. It was a pretty heavy load for the lizard so I had time to run get my camera and snap this picture just before the poor butterfly was carried into the brush:
