Insect and Spider Identification: CLOSED: I call it the Giant Lichen Masquerader, 1 by Pillita

Pillita wrote:
I swear I'm never touching this tree again. This was the third giant (3" or better) bug that I've seen here. The first was an extremely large (for Florida) scorpion that actually tried to chase me. The second was a humongous spider perfectly mottle to match the bark. And now this...

If I hadn't caught a glimpse of movement, I would never have known that it was there. Any ideas? I've never seen anything like it.