Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
A PDF file that lists 12 mantid species that may occur in Florida, providing a key for identifying them. Arnett (1) says there are 20 species in the US and Canada, so that's a good portion of them probably found in Florida.
http://entnemdept.ifas.ufl.edu/choate/mantid_key2_03.pdf