They're out to bait the Purple Emperor, one of Britain's most elusive butterflies, whose beauty disguises some filthy feeding habits. You never forget your first time, says butterfly enthusiast ...

The chronology can’t be trusted, but you can count on rain in Lou Ye’s swollen and slow-moving drama Purple Butterfly, set in a perpetually wet Japanese-occupied Shanghai during the 1930s. The ...

The Purple Emperor's beauty disguises gruesome eating habits, as butterfly conservationist Neil Hulme explains.

The male purple emperor butterfly boasts an iridescent colour on its wings, while the females are brown One of Britain's largest butterflies has been seen in Derbyshire for the first time since ...