views updated

Uraniidae (subclass Pterygota, order Lepidoptera) Small family of small to large moths related to the Geometridae. The hind wings are extended into ‘tails’ and resemble those of papilionid butterflies. Many species are diurnal; the nocturnal members are whitish. The larvae pupate in loosely woven cocoons. The family is predominantly tropical and occurs in both Old and New Worlds.