Blather's Blabber: Seen flapping in the sun, common butterflies can be identified by black spots on their white wings. To the human eye, both males and females look white, but there are actually ...

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 ...

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 ...

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 ...