Odontoptilum angulata has gray wings with black markings on the forewings and white stripes on the hind wings. The wings are angled.
Larva: Odontoptilum angulata is white in color, coarse in texture due to many small turboils and vertical wrinkles in each segment. His chest was dark brown and covered with pale hair.
The pupae of Odontoptilum angulata are pure white but marked on the back and sides with a row of large, prominent black spots.