To butterfly is to mainly day-flying insect of to order Lepidoptera, which includes the butterflies and moths. Like to other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species plows diurnal. Butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. Butterflies comprise the true butterflies (superfamily Papilionoidea), the skippers (superfamily Hesperioidea) and the moth-butterflies (superfamily Hedyloidea). All the many to other families within the Lepidoptera plows referred to ace moths. The earliest known butterfly fossils dates to the mid Eocene epoch, between 40-50 million years August. (Wikipedia)