South Carolina SC State Butterfly - Eastern Tiger Swallowtail

South Carolina State Butterfly – Eastern Tiger Swallowtail

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The Eastern Tiger Swallowtail, or Papilio glaucus, is the state butterfly of South Carolina. This symbol was adopted in 1994 with the approval of Act 319 of the South Carolina General Assembly.

Eastern Tiger Swallowtail with Wings Spread

Butterflies have four wings – two larger sections called fore wings, and two smaller sections called hind wings. Swallowtails are named for the long portion of their hind wings which resemble a swallow's tail feathers. Each of the fore wings of the Eastern Tiger Swallowtail has four black stripes resembling a tiger. Males are yellow with black stripes and females can be either yellow or dark gray with the same striped pattern. Often males will have a small portion of vivid color, but females always have orange and blue spots on the lower edge of the hind wing.

The female Eastern Tiger Swallowtail can produce up to three "broods" each year. They do this by laying small, round eggs on the upper leaves of host trees such as Poplar, Black Willow, Red Maple, or Elm. When the egg hatches, the larva (or caterpillar) eats the egg's shell, then dines on the leaves of the plant or tree on which it hatched.

Side View of the Eastern Tiger Swallowtail

Over the course of weeks, the larva grows to about two inches long and molts several times. At first, the larva resembles bird "poop" in order to ward off predators such as such as birds and raccoons. When it is plump and green, the caterpillar develops two "eyespots" – yellow spots with black centers which resemble eyes. Eyespots help protect them from potential predators.

During the next stage, the larva turns into a pupa by wrapping itself into a leaf and securing it with silk. At this stage, the pupa is called a chrysalis, and it neither eats nor drinks while inside its cocoon. Over the next several weeks, it will transform into a butterfly and emerge ready to take flight.


	SWALLOWTAIL BUTTERFLY		JOCASSEE GORGES

Butterflies do not eat solid foods as they did in their larval stage. Instead, they sip nectar from a variety of flowers using a proboscis – a long, tube-shaped tongue. Such flowers include honeysuckle, lilac, and black-eyed susans among others. The entire process of development – from egg to butterfly – only takes a about a month! Adult Eastern Tiger Swallowtails are considered large, with a wingspan between three and six inches.

More on the SC State Butterfly – Eastern Tiger Swallowtail

Stages of Development - Photos of the egg, larva, and color variations - this site identifies the genus as Pterourus, which was its former name
Map of the Eastern Tiger Swallowtail in South Carolina - Overview info with a map that shows where this species has been found in SC
Types of Butterflies and Moths in South Carolina - Select your county from the map to learn which butterfly and moths are found there

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Guide to SC's State Butterfly, the Eastern Tiger Swallowtail!

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