Dypterygia scabriuscula
Dark Knötericheule ( dypterygia scabriuscula )
The Dark Knötericheule ( dypterygia scabriuscula ), also known as Owl Trust, is a butterfly (moth ) from the family of cutworms ( Noctuidae ).
- 5.1 Notes and references
- 5.2 Literature
Features
Imago
The moths reach a wingspan of 32-38 millimeters. The forewings are dark brown. At the bottom outseam is a yellow-brown colored, limited by a curved line and slightly constricted in the middle spot. The flaws are outlined in black and indistinct. The hind wings are gray-brown without markings. At the top there is a conspicuous brownish head of hair, the other, smaller follow on the abdomen. The proboscis is highly trained.
Egg
The eggs are spherical pale yellow with strong, sharp longitudinal ribs and initially, later reddish color. The lower pole is strongly flattened.
Caterpillar
The caterpillars appear clumsy and walzig, have a light brown color with darker mottling and a dark- bordered white back line as well as off-white side stripes over which dark slashes are recognizable.
Doll
The doll is shiny reddish brown with two long spines on the cremaster.
Occurrence
The species occurs widely in Europe before, in the Alps. Up to an altitude of 1,500 meters, the occurrence includes a wide variety of areas, ranging from sunny slopes, glades, meadows and valleys, moors, up to gardens and parklands
Way of life
The moths are nocturnal. They fly to the artificial light sources, but are also very eager visitors of baits. The Dark Knötericheule flies in two overlapping generations from late May to late September. The caterpillars of the first generation to live in September, winter grown and pupate mainly in April of the following year. The caterpillars of the second generation can be found in June and July. They feed on the leaves of various plants is lower, such as knotweed ( Persicaria ), sorrel ( Rumex ) and dandelion (Taraxacum ).
Endangering
The species is not endangered.