They have strong mandibles with three eyes arranged vertically at the side of the mouthparts. It has a robust thorax with no obvious legs. The pupae are ivory in colour. Heavy infestation of structural timber in buildings have been recorded in areas of relatively high humidity and high temperatures. The compound eyes are flush to the face and the rostrum is abrupt.
Antennae are small, reach halfway or less the length of the pronotum .
Elytra form a point beyond the abdomen . The body is tapered and is half the width of the head capsule. The elytra is wider than the pronotum . Roundhead borer larvae are large and robust with the head and body generally the same width. However, several are important pests of living healthy trees and shrubs.