Pipevine Swallowtail Pipevine swallowtails are found throughout the eastern U.S. and through the southwest to California. They host on pipevines ( Aristolochia sp), as their name indicates.

The Dutchman’s pipe (Aristolochia durior) is a woody vine that produces flowers shaped like curved pipes with heart-shaped ...

This pattern is quite similar to that of the pipevine swallowtail, Battus philenor, whose geographic range overlaps the range of the black swallowtail. The pipevine swallowtail is highly poisonous, ...

Tim Wong rescued California Pipevine swallowtail butterflies known for their blue hue In San Francisco, a butterfly species was facing extinction due to the scarcity of its host plant - the ...

Not surprisingly, pipevine swallowtail larvae feed on the native perennial Dutchman’s pipe vine. Many native perennials such as blazing star, Jacob’s ladder, purple coneflower, ironweed and ...

The red-spotted purple butterfly is also a pipevine mimic, but only where its range overlaps the pipevine. To the north, they have bold white wing stripes and are called white admirals.

We're proud to announce that our California pipevine has finally bloomed, after years of biding its time. The meerschaum-shaped flowers of Aristolochia californica are one of those harbingers of ...

The Appalachian tiger swallowtail butterfly is a rare breed: Some 100,000 years ago, two different species mated and their hybrid offspring gave rise to the Appalachian species, researchers have ...

The fuzzy green buds are already swelling on my Dutchman's pipe, one of those reminders that California grows in the winter, too. I planted it several years ago in the fond hope of attracting the ...

This pattern is quite similar to that of the pipevine swallowtail, Battus philenor, whose geographic range overlaps the range of the black swallowtail. The pipevine swallowtail is highly poisonous ...