Cabbage moth
destroy large numbers of leaves and their frass accumulates in the heart of cabbage, thereby lowering the commercial value of infested crops. Life cycle [...] light network of markings. First instar larvae of the cabbage moth (Mamestra brassicae) are gregarious, eating the edge of the leaves on which they were laid [...] or brown to black. In younger instars, the relatively large head capsule is conspicuous. In older instars, the lighter colour of the bands between the body