Melanism is the dark coloration of the skin, hair, fur, or feathers due to a high concentration of the pigment melanin. A classic example is the panther—which is actually a black leopard. However, melanism has several variations. Pseudo-melanism occurs when dark markings cover a large part of an animal’s body, while industrial melanism results in dark varieties of animals that need camouflage in smoke-blackened industrial regions. What insect is commonly associated with industrial melanism? Discuss