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Term for animal organisms or microorganisms that live, among other things, from pests of the vine (see below Vine enemies ) regulate and maintain their population to a limited extent. They are divided into two groups: predators (insects that eat other insects) and parasites distinguished. The latter can also be insects that other than hosts, but also microorganisms like nematodes. bacteria (for example Bacillus thuringiensis ) mushrooms, Protozoa (unicellular animals) and virus his. In the case of predatory insects, a distinction is made between so-called protective predators, which are present in sufficient numbers before infestation of a pest and prevent colonization by pests from the outset (for example predatory mites and spiders), as well as so-called cleaning predators, which only migrate after pests and then free the host plant of the pests (for example lacewings and ladybugs).

Beneficial insects - ladybird and predatory bug (murder bug)

The useful predators or parasites include many species of insects or their larvae such as lacewing. gall midge. gall wasp. ladybug (Ball weevil), earwig. ichneumon fly (Wasp) predatory mite and assassin bug, The bees Due to the fertilization of the vine (where they play only an insignificant role), of course, they are also among the beneficial organisms, but to a small extent they can be like that wasps even be pests. The star can also appear as a beneficial insect, as well as a pest. Insect beneficials are also bred in the laboratory and then targeted against pests as an environmentally friendly alternative insecticides used in the vineyard. They are an effective measure in Biological crop protection,

Lacewing larva catches aphids and sucks them out

Ladybug: By ElinaElena from Pixabay
Predatory bug: CC BY-SA 3.0 , Link
Lacewing larva: © W. Neudorff GmbH KG -

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