Springworm
| Springworm | ||||||||||||
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Illustration from the Nordisk familjebok |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Sparganothis pilleriana | ||||||||||||
| ( Denis & Schiffermüller , 1775) |
The Spring Worm ( Sparganothis pilleriana ) is a butterfly ( moth ) from the family of Winder (Tortricidae).
features
The springworm has a body 11 to 15 millimeters in size with a wingspan of 20 to 25 millimeters. The wings are to brownish yellow with two brownish reddish transverse bands and a spot on the wing base.
distribution
The springworm is widespread in southern and central Europe. It can also be found in North Africa, Korea , China and Japan .
Way of life
The springworm does not need much warmth and is also found in northern wine-growing areas. He forms one generation a year.
The pupae of the springworm overwinter under the bark of the vine or on other host plants. The spectrum of food plants comprises more than 100 plant species. The caterpillars hatch in stages from the beginning of April to the beginning of May. The caterpillars develop about 45 to 50 days before they pupate. The moths hatch after two to three weeks.
Flight time
The flight time lasts from the beginning of July to the end of August, whereby a single butterfly lives only about a week. The flight, mating and oviposition mainly take place in the evening hours.
Harmful effect
The springworm, like the single-leaf grape moth and the crossed grape moth, is a pest in viticulture. The larvae attack young leaves, which they perforate and spin into packets. You thereby reduce the yield of the infected vine . The curler is combated with insecticides , which are often used preventively. Alternatively, the population size is determined with pheromone traps and then the infestation is fought specifically with the use of poison or molt accelerators. In the vineyard plots where the hayworm is controlled, the springworm usually remains below the damage threshold.
Web links
- Sparganothis pilleriana at Fauna Europaea
- Ian Kimber: Guide to the moths of Great Britain and North Ireland (English)