Long, ·3o-·33 inch. Body elongated, glabrous, sanguineous, pilose. Head, disk of prothorax, and under surface black; head rhomboidal, middle wider than thorax, thence gradually constricted into a narrow rufous neck; eyes large and prominent; mouth parts, three basal joints, antennæ and legs rufous; eighth and ninth joints of antennae white, remaining joints black; prothorax elongate, cylindrical, piceous; humeral base and apex rufous, widest just behind middle, when viewed vertically two fine long yellowish erect hairs will be observed to arise laterally just before the middle, much longer than on elytra.