(Latin: Tribolium confusum)
This beetle is like a slightly smaller and paler edition of the preceding species. It is found mainly in flour and cereal products, but it also attacks a variety of other foodstuffs, such as beans, dried fruit, spices and chocolate. It is particularly injurious in warehouses and in factories making starch products, but is not uncommon in private households. Flour infested by the larvae has a greyish colour and a tendency to go mouldy.
This is a prolific species. The female lays several hundred eggs and can find her way even into tightly closed packets of food. On the other hand, these beetles require a high temperature, preferably about 30° C, and will not develop or breed at temperatures below 18° C.