Papilio hesperus, the black and yellow swallowtail or Hesperus swallowtail, is a butterfly of the family Papilionidae.

It is monomorphic, meaning there is only one phenotype in the population of this species.

[4] The dorsal and ventral sides of its wings are practically identical due to the wing's translucence.

The members of the clade are: Congolian forests and surrounding ecoregions.

This Papilionidae-related article is a stub.