I have a spider in my backyard in Mobile, AL. It seems to have sewn itself up inside of a living water oak leaf. I tried googling it but only came up with this Austrailian spider that does a similar thing, but not exactly. Notably, there is no attendant web, just the folded leaf container. The leaf has been folded twice into a perfect little tetrahedral home. Here is a picture... I didn't want to disturb her too much:
What species is this beautiful geometer?