In Entomology

• Papilio
  Papilio
  Papilio is a genus in the swallowtail butterfly family, Papilionidae. The word papilio is Latin for butterfly.The genus includes a number of well-known North American species such as the Western Tiger Swallowtail...
  
   machaon, or Old World Swallowtail
  Old World Swallowtail
  The Old World Swallowtail is a butterfly of the family Papilionidae. The butterfly is also known as the Common Yellow Swallowtail or simply the Swallowtail...
  
  , a butterfly named by Carl Linnaeus