This large, dark swallowtail butterfly is marked with yellow spots and bands. It is particularly common in and near swampy woods. The wingspread range is 4,7/16 – 5,1/8 inches. The life cycle flights of the Palamedes Swallowtail in Florida are from March to December. (http://entnemdept.ufl.edu/creatures/bfly/palamedes_swallowtail.htm)