Predatory arachnids (Gamasida), which are among the most important beneficials in viticulture belong. The order of the mites counting insects occur on numerous plants. They are characterized by mouthparts with scissor-like grippers as well as by clear labels on the upper and lower sides of the body. The most important representative is the approximately 0.3 to 0.5 millimeters large species Typhlodromus pyri. This has a pear-shaped figure with four pairs of legs and has a milky white to brownish color. After the feeding of red spiders they turn reddish.
The females hibernate in bark of the trunk, in spring the eggs are deposited on the undersides of the leaves. As food for the hatched sexual animals serve mainly the two harmful to the viticulture mite species red spider and the common spider mite, furthermore they also consume the species Kräuselmilbe and the smallpox mite as well Rebenthripse (Drepanothrips reuteri) and are also active as cannibals. The species Typhlodromus pyri is bred in the laboratory and deliberately used in the vineyard for the control of these pests as an environmentally friendly alternative insecticides exposed.
The predatory mites spend all year on the vine and are therefore exposed to all adverse influences such as the use of chemical agents (spraying). On it is at Integrated pest management through as little / no use of pesticides Consideration. See also below Vine enemies, as well as bez. general principles of environmentally sound management Organic viticulture,