Body cylindrical. Head black, flattened in front, vortex
broad and sharply depressed in the middle, minutely
hairy, cheeks slightly tuberculous ; third to the last
segment armed with a dorsal and four lateral rows of
black, rigid, branched spines on each side; segments
fuliginous black, second segment with a slender pale
ochreous dorsal line, third to last segment with two
sublateral rows of small pale ochreous spots.
Pale purpurescent ochreous; thorax and abdomen laterally
protuberant in front; with a thoracic and
anterior-dorsal pointed prominence; abdominal segment
with a row of dorsal and lateral small points;
head-piece projecting and widely cleft. .