Broad–Horned Flour Beetle

Gnatocerus cornutus

Appearance

•  Adult - 3.5 - 4.5mm in length. Male has two enlarged mandibles on the head
giving the appearance of horns. Female very similar in appearance to T.
confusum but has smooth elytra.
•  Nymphs - Nymphs - similar to Tribolium species but slightly bigger.

Lifecycle

•  Temperature limits 15 - 32°C. 8 weeks at 27°C. Cannot complete life cycle below 10°C.

Habits

•  Feeds on flour, dough, semolina etc. Moth eggs and larvae may supplement the diet.