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thysanoptera (ES)
thrips (GB)
thysanoptera (F)
thysanoptera (I)
thysanoptera (PO)
tripse (N)

An insect belonging to the order of the fringed wing (Thysanoptera) with about 5,500 species worldwide, of which about 400 species occur in Central Europe. They carry the trivial name fringed wing because of their typical long hair fringes on the wing edges. As a pest on Rebstock only the species Rebenthrips (Drepanothrips reuteri) is important, but it also affects other plants. The insect hibernates as a female, preferably under the trunk of the trunk, but also on the withered leaves and in the ground. With the expulsion in spring the first animals migrate to the leaves and lay bean-shaped, around 0.2 millimeter large eggs in the leaf tissue. The development takes place over two larval and up to three nymph stages (youth stages) to the trained sex animals. These are only 0.6 to 0.8 millimeters in size, have characteristic fringed wings, two visible eyes and a pair of feelers with six links.

Vine thrips - larvae and sex animals on one leaf

All stadiums have three pairs of legs, the foot end of which is provided with a foldable adhesive organ (hence bladder foot). There are two, up to three generations per year in southern countries. The nymphs are not very active and take no food. The animals attack leaves with the stinging-sucking mouth tools, these are curled and marked by bright spots. But also bills and berries are attacked, what for Verrieseln and can cause severe corking. The characteristics of an infection in the previous year are net-like corking of the lowest nodes (nodes) of the annual shoots. The insect has numerous natural predators such as larvae of the lacewings. predatory mites. ladybug and assassin bugs and is also eliminated by parasitic fungal attack. Therefore, fighting in the vineyard is usually not necessary.

Left: By Alton N. Sparks, Jr., University of Georgia, , CC BY 3.0 , Link
Right picture: By PaulT - Own work, CC BY-SA 3.0 , Link

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