After the experimentation with the background, I chose this purple color and went with it. Changed the top to a branch, too, to make it more natural. Not done yet - I made sure I had a light hand with the green of the chrysalis itself and will go back in and glaze darker areas over and then put in the yellow/gold.
I like it better so far but think I could have gone even darker in the background. This may be just one of those paintings you never like, no matter what?