The Tawny Emperor (Asterocampa clyton) is a species of brush-footed butterfly. It is native to North America, especially the eastern half from Canada to northern Mexico. The upper side is mostly dark brown. The forewing is an orange-brown color with pale orange-yellow spots. The underside is mainly gray-brown with the forewing having some black and pale yellowish markings. The wingspan measures 2 to 2.6 inches. The female lays clusters of green eggs. The larva is green with yellow, white, or greenish stripes.