Latin: Sitophilus granarius. The adult beetle is 2.5 to 5 mm long. The offspring is red-violet, and it later becomes brownish and old beetles are all black. It cannot fly. Its movements are quite slow and are somewhat similar to crayfish. In the winter cold storages, it is motionless and it becomes active when the […]
Grain weevil
( Latin: Sitophilus granarius) This is the commonest pest in stored grain. It cannot fly but is a tireless walker. When egg-laying the female gnaws a small depression in a grain of cereal, lays an egg in it and then covers the hole with a secretion that is the same colour as the cereal. She […]