Grasshoppers ... who does not know him, all adults or children are very familiar with locusts. Grasshoppers are animals that undergo imperfect metamorphosis. Incomplete metamorphosis is a metamorphosis that has only 3 stages, namely egg, nymph, and imago (adult). Where the physical appearance between nymph and imago is not much different. Other examples of insects with imperfect metamorphoses are aphids, crickets and cockroaches or some kind (termite boards).