Rhyzopertha dominica

SPECIES: Rhyzopertha dominica ( order Coleoptera )

COMMON NAME: Stored grain borer

SIZE: 2.4 mm to 2.9 mm

LIFECYCLE: The female lays between 300 to 500 eggs, at a rate of 25 per day. It has a post embryonic life cycle that usually involves four types of larval stages followed by pre-pupal and pupa stages.

FEATURES: Rhyzopertha dominica has a cylindrical shape. It is a long insect, brown in colour, tending to dark reddish. The adult head has the shape of a friar's hood, and is known in Italy as the "Capuchin of Cereals" as a result. Rhyzopertha dominica larvae are curved and round, with brown mouthparts.

HABITAT: the geographical origin of many Bostrichidae Coleoptera is the Indian subcontinent, or its immediate vicinity.

DIET: various foodstuffs, like wheat, maize, oats, barley, rice, flour, pasta, biscuits etc.

DAMAGE: Contamination of finished products. The destructive capacity of Rhyzopertha dominica is one of the highest among insect cereal pests.

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