Latin: Cheyletus eruditus.
The Cheyletus eruditus is often seen along with other mites in hay, straw, grain and granulated products of cereal origin. It is slightly larger than the largest of the other storage mites, has grooved skin and well-developed enormous claws.
They act as a pair of pliers when the Cheyletus eruditus captures other mites and sucks their contents. The Cheyletus eruditus has the status of a so-called useful insect because under favourable conditions it is able to exterminate entire populations of flour mites. During the winter cold it goes in hibernation at temperatures in which other mites still multiply, so its effectiveness under Northern European conditions are poor.