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The eastern giant swallowtail (Papilio cresphontes) is the largest butterfly in North America. [2] It is abundant through many parts of eastern North America; populations from western North America and down into Panama are now (as of 2014) considered to belong to a different species, Papilio rumiko . [ 3 ]
Papilio polyxenes, the (eastern) black swallowtail, American swallowtail or parsnip swallowtail, [4] is a butterfly found throughout much of North America. An extremely similar-appearing species, Papilio joanae , occurs in the Ozark Mountains region, but it appears to be closely related to Papilio machaon , rather than P. polyxenes .
Caterpillars are plump green with a single yellow band behind the thorax. They have two eye-shaped spots on the upper thorax, which may help frighten predators. Like most swallowtails, they have a red wishbone-shaped organ called the osmeterium , which pops out from behind the head and releases a foul odour to warn off predators.
Papilio glaucus, the eastern tiger swallowtail, is a species of butterfly native to eastern North America. It is one of the most familiar butterflies in the eastern United States, [ 3 ] ranging north to southern Ontario , Canada, [ 4 ] and is common in many different habitats.
It is very similar to the eastern tiger swallowtail, but has a noticeably smaller wingspan. Unlike it, the forewing underside, yellow marginal band is continuous. The hindwing has many orange scales on both morphs. This species has also been known to hybridize with both the eastern and western tiger swallowtail, though extremely rarely.
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 ]
The caterpillar grows to a length of 4 cm. The pupa is green with thin yellow lines. The adult female Macleay's swallowtail has a wingspan of 59 mm, whilst the adult male has a wingspan of 53 mm. [5] The upperside of the wing is green with white markings and black edges. [6] The lower surface is a deeper green with black, brown and white ...
Papilio rumiko or western giant swallowtail [2] is a species of swallowtail butterfly. It is found from the south-western United States, through Mexico, El Salvador, Honduras, Costa Rica to Panama. The northernmost record is north-eastern Colorado. The length of the forewings is 50–58 mm.