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owls caterpillars

owl caterpillars (GB)

The animals, also called caterpillars, are the larvae of various night butterflies of the large family of owls (Noctuidae). The species found in viticulture eat, inter alia, on Rebstock, The four to six inches long tracked (they are meaty and thicker than the Rhombenspanners ) of reddish brown to brownish-black hibernate in the soil. At the beginning of the bud swelling they walk to the bud and eat at night. Unlike other caterpillars, the buds are so deeply eaten that they are completely destroyed. During the day they hide near the trunk on the ground. After a few days, they are already retreating to pupate into the ground, but new generations are constantly emerging from it. It will be the leaves infested, which are eaten from the edge.

Owl caterpillars - Eulenoa owl butterfly and caterpillars

The moths are using pheromone traps monitored and derived from it the necessary measures. The caterpillars are made by special pesticides (Molluscicides) or also by means of the soil bacterium Bacillus thuringiensis fought. A simple method is to leave weeds in the vineyard, as they are first eaten by owl caterpillars before they climb on the vines. The welfare of chickens in vineyards has been excellent, providing an effective reduction. As part of the Biological crop protection will too nematodes (Roundworms) used. Natural enemies are caterpillars, earwigs and brackish wasps, See a list of all pests below Vine enemies,

Picture left: From © entomart , Link
Right picture: From © AGES Vienna / Kahrer

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