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 found ...

Every summer in southeastern Pennsylvania, I see several species of pretty butterflies in abundance, but at different times, prolonging the beauty of the butterfly season. Though they are here in good ...

BALDWIN -- The Karner blue butterfly is one finicky flutterer. Nature buffs won't see this tiny, ornate insect just anywhere -- caterpillars feed only on wild lupine plants; adults are found in flat ...

Next time you’re gardening in your backyard, don’t be surprised if you spot peacocks and zebras. Butterflies, that is. White peacock and zebra heliconian were the second and third most-common species ...

Researchers have found that a subset of common butterfly species are emerging later than usual in urban areas located in warmer regions, raising questions about how the insects respond to significant ...

An Arkansas study into Buckeye butterflies found that they aren’t just changing colors with the seasons, but changing the way they see on a physiological level.

A unique butterfly breeding experiment gave researchers an opportunity to study the physical and genetic changes underlying the evolution of structural color, responsible for butterflies' iridescent ...

Butterfly bushes (Buddleja davidii) are known as one of the best plants to attract a variety of butterflies to your yard thanks to their large, nectar-filled flowers. As a bonus, their pink-purple ...