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Eastern Tiger Swallowtail

Eastern Tiger Swallowtail

Eastern Tiger Swallowtail

The eastern tiger swallowtail (Papilio glaucus), is a species of swallowtail butterfly native to eastern North America.

Eastern Tiger Swallowtail Butterfly

It is one of the most familiar butterflies in the eastern United States, where it’s common in many different habitats.

The butterfly flies from spring to fall, during which time it produces up to three broods.

Identifying the Eastern Tiger Swallowtail

The male is yellow with four black “tiger stripes” on each forewing (thus giving the butterfly it’s name) . Females may be either yellow or black. 


Nectar Adult Butterflies Eat

Adult butterflies feed on the nectar of many species of flowers, mostly from those of the Apocynaceae, Asteraceae, and Fabaceae families. 

Butterfly
Bush

Milkweed

lilac, ironweed, and wild cherry.

Japanese
Honeysuckle

Phlox



The Eggs

The eggs of the Eastern Tiger Swallowtail

The green eggs are laid one at a time on plants of the Magnoliaceae and Rosaceae families.


When the eggs hatch into larva they will eat leaves of a variety of woody plants including wild cherry, tulip, birch, ash, cottonwood, and willow.


Eastern Tiger Swallowtail Caterpillar

Young larva caterpillars are brown and white; older ones are green with black and yellow bands, and blue eyespots on the thorax.


Caterpillars Turn Brown Before Pupating

Eastern Tiger Swallowtail Caterpillar Just Before Pupating.  Brown caterpillar with yellow rings around eyes.
Scott Robinson – Creative Commons Attribution 2.0 Generic license

The Chrysalis

The Chrysalis of the Eastern Tiger Swallowtail caterpillar Butterfly
The Chrysalis of Eastern Tiger Swallowtail
TheAlphaWolf – Attribution 2.5 Generic (CC BY 2.5)

The chrysalis varies from a whitish color to dark brown. They always blend into their surroundings and are well hidden.

 Hibernation occurs in this stage in locations with cold winter months.


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