: Unlike similar species, its tails are wide and entirely black, though some males may show a thin yellow streak on the underside.
The ( Papilio ornythion ) is a striking butterfly native to Mexico and Guatemala, occasionally appearing as a rare stray in the southern United States. Often confused with the common Giant Swallowtail, this species is distinguished by its all-black tails and a unique wing pattern where yellow bands meet at the tip rather than crossing in an "X". Visual Characteristics Download papilio ornythion gd592e4917 640 jpg
: Frequently found in citrus groves and gardens. : Unlike similar species, its tails are wide
: Like other swallowtails, the caterpillars possess an osmeterium , a forked orange gland that emits a foul-smelling odor when they feel threatened. Visual Characteristics : Frequently found in citrus groves
: Typically ranges from 3.3 to 4.5 inches (83–115 mm).