Cicadidae???

Can someone tell me what this is? This is the underside.
It looks to me like a species of Cicadidae but I think it has some kind of growth / parasite on its back.

It is small, maybe half an inch in length and was still crawling around when I took these pictures.

I have put in pictures covering all angles and close-up shots of what I think is a growth or parasite in order to identify it.

All pictures can be enlarged by clicking on them. My e-mail address is at the top of my blog.