The term 'butterfly' is derived from the butter-yellow colour of common Brimstone male butterfly of the family Pieridae. The butterflies are cosmopolitan in distribution and occur in every suitable environment, from plains to deserts, forests, and valleys of hills to mountains.Butterflies are holometabolic endopterygote, often wings provided with tails, a characteristics venation and clothed by overlapping scales. The mouth parts are modified into coiled proboscis; the antennae are knobbed or clubbed at the anterior end. Butterfly larvae feed on the leaves of their host plants or diverse...