Latin: Piophila casei. Also called the meat skipper. The small dark cheese skippers lay their eggs in dairy products, meat products and in excrements. Each female lays up to 500 eggs, which are placed in crevices directly in food or in the vicinity of food. At 27-32 ° C the eggs hatch in one day […]
Bean weevils
In seeds of the various kinds of pea and bean plants different granivorous weevils live. They infest the seeds already when the plants are in the fields and are later on transported to warehouses where they can continue to do damage. The result is seen as rotten peas, beans, lentils etc. Most of these weevils […]
The rice weevil
Latin: Sitophilus oryzae. Very similar to the granary weevil, and you cannot tell the difference with the naked eye. With a little magnification however, it is possible to see that the rice weevil has four red spots on the elytrons. The rice weevil is on average slightly smaller and moves faster than the granary weevil. […]
The granary weevil
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 […]
True weevils snout beetles
The weevils include approximately 40,000 described species, and this is therefore one of the largest groups of insects known to man. Weevils have mouth parts that are located on the tip of a proboscis-like protrusion. The nut weevil is a commonly known beetle, which is responsible for the wormholes you see in ripe hazelnuts. The […]
Black vine-weevil
(Latin: Otiorrhynchus sulcatus) This is one of the larger weevils. It moves around in a characteristic slow manner, and like all weevils it is vegetarian. The larvae live in the soil and feed on the underground parts of plants. The adults avoid the light and hide themselves during the day, often in the surface soil […]
Spider beetle larvae
Spider beetle larvae behave similar to dermestid beetles, but their pupation tunnels are smaller.
Bark beetles
(Latin: Scolytidae) These are small, cylindrical beetles with a large thorax. They can be distinguished from the furniture beetles by their angled antennae. The adults emerge in the spring and search for diseased or newly felled trees, where they gnaw their way into the bark. After mating the female makes a tunnel in the bark and […]
Rice weevil
(Latin: Sitophilus oryzae) This beetle is a little smaller than the grain weevil, and can be recognized by the four reddish spots on the elytra, which cover a pair of functional wings. This is one of the most serious pests of cereal crops in the tropics and subtropics. It is often brought to northern Europe […]
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 […]