Papilio anchisiades, the ruby-black phoenix Anhisiadi or ruby-spotted swallowtail[1][2] or red-spotted swallowtail,[3] is a butterfly of the family Papilionidae. It is found from southern Texas south to Argentina. Rare strays can be found up to Kansas, southeastern Arizona, and western Texas.
Bauer, Erich and Thomas Frankenbach (1998). Schmetterlinge der Erde, Butterflies of the World Part I (1), Papilionidae Papilionidae I: Papilio, Subgenus Achillides, Bhutanitis, Teinopalpus. Edited by Erich Bauer and Thomas Frankenbach. Keltern: Goecke & Evers; Canterbury: Hillside Books ISBN9783931374624
Lewis, H. L. (1974). Butterflies of the WorldISBN0-245-52097-X Page 24, figure 9.