Lepidoptera
Migration in the butterflies and moths are particularly well known. The Bogong moth is a native insect of Australia that is known to migrate to cooler climates. The Madagascan sunset moth (Chrysiridia rhipheus) has migrations of up to thousands of individuals occur between the eastern and western ranges of their host plant, because they become depleted or unsuitable for consumption. In southern India, mass migrations of many species are noted prior to the monsoons. As many as 250 species of butterflies in India are migratory. These include members of the Pieridae and Nymphalidae.
Read more about this topic: Insect Migration