Brown-gray shaft belt tensioner
| Brown-gray shaft belt tensioner | ||||||||||||
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Brown-gray wavy belt tensioner ( Scotopteryx luridata ) |
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| Scientific name | ||||||||||||
| Scotopteryx luridata | ||||||||||||
| ( Hufnagel , 1767) |
The Brown Gray wave welts tensioner ( Scotopteryx luridata ) is a butterfly ( moth ) from the family of the tensioner (Geometridae) and is in the subfamily Larentiinae classified.
features
The wingspan of the moth is 32 to 38 millimeters. The basic color of the upper side of the forewing is gray. In the middle there is a wide dark band framed by two transverse lines. In the band there is a black discal spot not far from the front wing edge . Another transverse line runs through the basal region. Furthermore, a short brownish stripe runs transversely from the apex . The caterpillars are brightly colored and have a brownish stripe pattern.
Similar species
The light gray wavy stripe tensioner ( Scotopteryx mucronata ) and Scotopteryx ignorata also have a broad dark band like Scotopteryx luridata . In certain cases, a genital morphological examination is necessary for a reliable determination .
Distribution and occurrence
The brown-gray wave belt tensioner is common in Europe including the British Isles . In Fennoscandinavia it occurs only in southern Sweden and is also absent in the Baltic States . To the east, the occurrence of the species extends to Asia Minor , Georgia and the South Caucasus .
Way of life
The predominantly diurnal moths usually fly in one generation from late June to late August. In warm regions there can also be two generations. Heathland form their preferred habitat. The caterpillars can be seen from August. They overwinter and pupate in June of the following year. They feed on broom ( Genista ), gorse ( Ulex ) and other legumes ( Fabaceae ).
Individual evidence
Web links
- Lepiforum eV - taxonomy and photos
- www.euroleps.ch - photos, description
- Butterflies-Deutschlands.de - endangerment, flight and caterpillar times
- www.lepidoptera.eu - Occurrence in Europe
- Scotopteryx luridata in Fauna Europaea. Retrieved on December 4, 2016