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 ...

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 ...

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 ...

I have been an avid butterfly watcher for many years now, and I follow this hobby with great passion, alongside bird watching ...