Found feeding on a wild cherry, September 19, 1884, two larvæ of this species. They were .80 of an inch long, nearly cylindrical, the body somewhat elevated in the middle, from which it tapers a little both ways, the dorsum of joint 12 with a slight elevation; eight low tubercles on each joint, from each of which arise a few spreading white hairs. Color green; a dorsal stripe that is mostly red on joints 3 and 4, and on the elevated portion of joint 12, the rest of the stripe yellow with a reddish, blotch to each joint; the anterior part of dorsum of joint 2 red, separated by green in the middle, yellowish round the edges. Head slightly bilobed; the lower part reddish green, the upper part more red.