Larva, one-tenth of an inch in length—pointed at the head—rounded and blunt at the hinder extremity. First three segments the color of amber, and semi-transparent: the rest of the body salmon-colored. Nine sets of hooks, or tentacles, in place of feet, the two first in pairs, the remainder in threes. The larva has the habit of holding itself erect, by means of peculiar anal protuberances which seem to cling by suction. The body has minute hairs thinly scattered over it. On the sides of the head, which is small and black, there are bristle-like palpi, pointing forwards The larva is full fed by the end of August.