This is a very beautiful shot of a butterfly! It's nice to see one in an upside down perspective and even so sharp. The warm colors in the background ad a lot of feeling to this so it makes me happy to look at the butterfly. You also did a nice job on the composition. The butterfly is not really centered nor really outside the image. The only thing I have to criticize is that the stipe of the plant could be a bit more sharp and that there's a distracting blurish line in the background.
Overall an excellent image! Love to see it again from time to time!