Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Freyer's purple emperor (Apatura metis) is a species of butterfly found in Eurasia.Freyer's purple emperor has dark wings with reddish and yellow bands. The wings of the male insect are bluish purple if the observer sees it from the right angle.A butterfly is a mainly day-flying insect of the order Lepidoptera, the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight.