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Rhomb tensioner

This insect, which belongs to the butterfly family (also called rhomboid bark moth, lat. Peribatodes rhomboidaria) is widespread in Central and Southern Europe. It occurs on the vine, but also on numerous other plants. It hibernates as a young caterpillar in the bark on the stem and in the leaves. In March to April the round, grey-brown caterpillars (also known as crepe worms) attack the eyes (buds). These are hollowed out like holes so that no shoots can develop (see picture). When the shoots become larger, the caterpillar can no longer cause any damage. The winegrowers then say "that the shoot grows out of the mouth of the rhombus moth". Because of their twig-like camouflage they are hardly visible. Typical is the cat's hump-like appearance, because during feeding the hind legs are pulled up to the front legs.

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