Papilio astyalus

Papilio astyalus, the broad-banded swallowtail or Astyalus swallowtail, is a butterfly of the family Papilionidae. It is found from Mexico south to Argentina. It is occasionally reported from southern Texas and rare strays can be found up to southern Arizona and northern Texas.

Papilio astyalus
Mounted specimen on display at Museo di Scienze Naturali Enrico Caffi, Bergamo
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Papilionidae
Tribe:
Papilionini
Genus:
Papilio
Species:
P. astyalus
Binomial name
Papilio astyalus
Godart, 1819
Synonyms
  • Calaides astyalus
  • Heraclides astyalus
  • Heraclides lycophron Hübner, [1823]
  • Papilio mentor Dalman, 1823
  • Papilio pirithous Boisduval, 1836 (preocc. Linnaeus, 1767)
  • Papilio oebalus Boisduval, 1836
  • Papilio drepanon Gray, 1856
  • Papilio lycophron
  • Papilio pallas Gray, [1853]
  • Papilio hozaus Ehrmann, 1921
  • Papilio hippomedon C. & R. Felder, 1859
  • Papilio theophron C. & R. Felder, 1865

The wingspan is 117–120 mm. Adults are on wing from April to October. There are probably two generations per year.

The larvae feed on the leaves of Citrus trees. Adults feed on the nectar of various flowers, including Lantana species.

Subspecies
  • P. a. astyalus (Brazil (Rio Grande do Sul, São Paulo, Minas Gerais, Parana), Argentina, Paraguay)
  • P. a. pallas Gray, [1853] (Texas, Mexico, Costa Rica)
  • P. a. bajaensis Brown & Faulkner, 1992 (Mexico (Baja California Sur))
  • P. a. hippomedon (C. & R. Felder, 1859) (Colombia, Venezuela)
  • P. a. phanias Rothschild & Jordan, 1906 (Ecuador, Peru, Bolivia, Goias)
  • P. a. anchicayaensis Constantino, Le Crom & Salazar, 2002 (Colombia)

Biogeographic realm

Neotropical realm.

References
  • Lewis, H. L., 1974 Butterflies of the World ISBN 0-245-52097-X Page 25, figure 6


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