Diamond back moth
dark, sometimes suffused with ochre or mixed with whitish scales. The lower one-third of the forewing is ochreous-white, with a nearly white upper edge [...] instars. The body tapers at both ends and is green, sometimes suffused with pale yellow, with a few short hairs and small white patches. The larva has five pairs [...] feeders. The pupae of the diamond back moth (Plutella xylostella) are covered with a white, loose, silken cocoon, usually formed on the lower or outer leaves