Diamond back moth
whitish scales. The lower one-third of the forewing is ochreous-white, with a nearly white upper edge. In females, the upper two-thirds of the forewings [...] green, sometimes suffused with pale yellow, with a few short hairs and small white patches. The larva has five pairs of prolegs; one pair of prolegs protrudes [...] pupae of the diamond back moth (Plutella xylostella) are covered with a white, loose, silken cocoon, usually formed on the lower or outer leaves. They