Papilio joanae

Papilio joanae, the Ozark swallowtail, is a North American butterfly species in the family Papilionidae.[1] It was once considered a synonym of the black swallowtail (Papilio polyxenes).[2]

Ozark swallowtail
Female
Male
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Papilionidae
Tribe:
Papilionini
Genus:
Papilio
Species:
P. joanae
Binomial name
Papilio joanae
J. Heitzman, 1973

Description

The Ozark swallowtail is almost identical to the black swallowtail. Despite this similarity, an analysis of the Ozark swallowtail's mitochondrial DNA suggests that it is actually more closely related to the Old World swallowtail (Papilio machaon).[3] On both surfaces of the hindwing, the pupil in the eyespot usually touches the edge of the inner margin. On the underside of the hindwing, the orange spots have very little or no yellow in them.[1] The black adult color pattern characterizing P. polyxenes is presumed to be inherited as a simple autosomal dominant[4]

Distribution

This butterfly is endemic to the Ozark Mountains in the United States. It is uncommon to rare in this region.[1]

Flight

The Ozark swallowtail is seen from April to September.[3]

Habitat

P. joanae is found in cedar glades and woodland habitats.[5]

Life cycle

The caterpillar is morphologically very similar to the black swallowtail caterpillar. The two species may be more easily distinguished by the habitat and host plants upon which the caterpillar feeds, as these differ.[5] There are two broods per year.[3]

Host plants

References
  1. Jim P. Brock and Kenn Kaufman (2003). Butterflies of North America. Houghton Mifflin, New York, NY. ISBN 0-618-15312-8
  2. James A. Scott (1986). The Butterflies of North America. Stanford University Press, Stanford, CA. ISBN 0-8047-2013-4
  3. Jeffrey Glassberg (1999). Butterflies through Binoculars: The East. Oxford University Press, New York, NY. ISBN 0-19-510668-7
  4. Scriber, J.Mark (October 2007). "Segregation of F-2 interspecific hybrid growth performance and wing color patterns relative to parental species in the Papilio machaon species group (Lepidoptera : Papilionidae)". Segregation of F-2 interspecific hybrid growth performance and wing color patterns relative to parental species in the Papilio machaon species group (Lepidoptera : Papilionidae) Article. 14: 389–400.
  5. Thomas J. Allan, Jim P. Brock, and Jeffrey Glassberg (2005). Caterpillars in the Field and Garden. Oxford University Press, New York, NY. ISBN 0-19-518371-1


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