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Leaf worm

Colloquial name for the caterpillars of the springworm moth; see there.

The insect (Sparganothis pilleriana), which belongs to the wrapper family of butterflies, is widespread throughout Europe and reappeared in Germany in the late 1990s. The pest occurs on more than 100 plants and prefers vines in wine-growing regions. The jumping worm hibernates as an approximately 1.5 millimetre long, greenish caterpillar with a black head in a web, preferably in bark cracks of the stem. In spring, the caterpillars migrate onto the shoots, drill into...

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