Heliconius charitonia is sometimes also called Zebra Longwing or White-edged Longwing.
This is the subspecies Heliconius charitonia tuckeri which occurs in Florida.

1st & 2nd photo: Corkscrew Swamp Sanctuary, Naples, Florida, USA, 23 November 2012
3rd photo: Bird Rookery Swamp, Naples, Florida, USA, 21 November 2012