The weevil is brown to black with two paler reddishbrown patches on each elytra, 2-3 mm long. The female lays about 200 eggs in the grain and the larva feeds and pupates in the grain. The incubation period lasts 36 days, the larval and pupal period is 20-30 and 3-7 days respectively. The life cycle is completed in 30-40 days.