Plagodis pulveraria
Powder tensioner ( Plagodis pulveraria )
The powder tensioner ( Plagodis pulveraria ), also known as cherry rear tensioner, is a butterfly (moth ) from the family of the tensioner ( Geometridae ).
- 5.1 Notes and references
- 5.2 Literature
Features
Butterfly
The wingspan of the butterfly is 28 to 38 millimeters. Your basic color ranges from yellow to gray brown to reddish brown. Point to the front wings a darkened midfield, which will narrowed from the middle to the front edge and bordered by dark horizontal lines. The hind wings shimmer in the color of the fore wings and show a sometimes indistinct transverse line. The antennae of the males are twice combed, those of the females weak sägezähnig.
Egg
The egg is yellow with red spots or dark solid color. It has an oval shape and is covered with a very fine network.
Caterpillar
The caterpillars are reddish brown or purplish gray, have a yellowish mottling and double, wavy, brown side lines. On the ninth segment, a flat transverse protuberance can be seen.
Doll
The red-brown pupa is smooth and extended. At wide cremaster are three very small bristles.
Similar Species
A certain similarity to the Brown coniferous forest clamps ( Pungeleria capreolaria ), which, however, shows a clear dividing line in the forewing tip and a black Diskalfleck.
Geographical distribution and occurrence
The powder tensioner is used in Europe and Asia and is also found in North America. In the Alps, he rises up to 2000 meters. The species is found in mixed deciduous forests, scrub heaths and wooded blueberry surfaces.
Way of life
The moths fly in a first generation of late March to late June and early July to late August in a smaller second generation. They can be attracted at night by artificial light. The caterpillars feed on the leaves of various hardwood species, and include: hazel (Corylus avellana ), bird cherry (Prunus padus ), mountain ash (Sorbus aucuparia ) and willow ( Salix), alder ( Alnus ), birch (Betula ) and species of oak (Quercus ), as well as blueberry ( Vaccinium myrtillus). The pupae overwinter.
Endangering
The powder tensioner is out on the red list of threatened species as not at risk.