The order Lepidoptera is the second most speciose order in the class Insecta and includes the butterflies, moths and skippers. Members of the order are referred to as lepidopterans. A person who collects or studies this order is referred to as a Lepidopterist. This order has more than 180,000 species in 128 families and 47 superfamilies. It is second only to the Coleoptera (the beetles) in number of described species. The name is derived from Ancient Greek λεπίδος (scale) and πτερόν (wing).