Primarily found in the southern half of Alabama and Mississippi, with occasional records in northern Mississippi; all records to date are from the Coastal Plain.   Sexes similar.  Upper surface browner than any other swallowtails in our region.  Forewing with marginal yellow chevrons, submarginal row of yellow spots, and a median yellow band.  Hindwing similar but note unbroken median band.  Lower surface of hindwing with narrow yellow stripe near base of wing.  Both abdomen and thorax black with bold yellow longitudinal stripes; the only dark swallowtail in our region with this pattern.