His purple stole is embroidered with butterflies. But while unusual, the tactics of these butterfly chasers are nothing new. The tradition of baiting Purple Emperors goes back at least 250 years.

He said a purple emperor had not been seen in Derbyshire before, according to records dating back to 1829. "I never, ever, thought that I'd hear that a purple emperor butterfly had arrived in ...

An elusive species of butterfly, which is the second largest in the UK, has been sighted at a National Trust estate. The purple emperor, with a wingspan of around 8cm, was sighted at Sheringham ...