Motyl. La farfalla. Le papillon. La mariposa. Peteliškė. Fluture. Fjäril. Schmetterling. Féileacán. бабочка. пеперуда. πεταλούδα. فراشة. թիթեռ. Just a few examples of nice names for a beautiful creature. Would you care to learn some more about it?
http://www.nhm.ac.uk/visit/exhibitions/sensational-butterflies.html
Remember to bring colorful shirt. Enjoy!