Eastern Tiger Swallowtail

Eastern Tiger Swallowtail
Eastern Tiger Swallowtail
Papilio Pterourus Glaucus

The Eastern Tiger Swallowtail or just Tiger Swallowtail measures between 3 1/8 and 5 1/2 inches across its yellow wings with short black stripes. This swallowtail prefers moist decidous forests and open park areas. This particular one was found in a botanical garden. Their range is from Central Alaska and Canada spreading southeast of the Rocky Mountains to the Gulf of Mexico. It has the widest range of any of the tiger swallowtails, and is the most common and conspicuous butterfly of the East.

This butterfly prefers nectar from flowers like the Buddleia, Purple thistles, rhododendron, lilac, red impatiens, milkweed, liatris, Purple coneflower (shown), and phlox. Host plants for the Larvae include Wild cherry, beech, magnolia, ash and prickly ash.

There are between one - three broods of Tiger Swallowtails a year between spring and autumn.

MonarchButterfly IndexGiant Swallowtail