Big, vibrant and abundant swallowtail butterflies bring a flurry of eye-catching activity to backyards across the United States.

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, ...

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

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.

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 ...

A: Missouri is host to several swallowtail butterfly species including the spicebush swallowtail, Eastern tiger swallowtail and the pipevine swallowtail.

At least two other butterflies and a moth have developed a protective resemblance to the pipevine swallowtail in that part of its range. Edible enough themselves, they're also avoided by predators.

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 ...

I planted it several years ago in the fond hope of attracting the pipevine swallowtail, an elegant iridescent-black butterfly that eats Dutchman's-pipe leaves as a caterpillar.

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