Achivus Machaon (top) and Iphiclides Podalirius (bottom). W.F.Kirby, Chromolithograph by Wyman and Sons Ltd. Lloyds Natural History, 1896
Iphiclides Podalirius is most commonly know as the Scarce Swallowtail. It is also called the Sail Swallowtail or Pear-Tree Swallowtail. Achivus Machaon, or Papilio machaon, is known as Old World Swallowtail, Common Yellow Swallowtail or simply Swallowtail.