Alcis bastelbergeri
Craft Bergers beef tensioner ( Alcis bastelbergeri ) ♂
Craft Bergers beef tensioner ( Alcis bastelbergeri ) or Banded mountain forest tree clamp is a butterfly (moth ) from the family of the tensioner ( Geometridae ). The name of the species honors the German entomologist Max Joseph Berger craft.
- 6.1 Notes and references
- 6.2 Literature
Features
Butterfly
The moths reach a wingspan of about 38 to 43 millimeters in general. On the fore wings prevail gray and brownish tints. Located directly on the curved, black colored inner transverse line followed by a likewise black-colored, ribbon-shaped means shadow. The outer transverse line is black only in the front half and then runs unclear to the inside edge. In Saumfeld a white wave line can be seen to be approximately in the center, aimed towards the root followed by a distinct dark spot. Outer lateral line and wavy line put in an attenuated form continued on the hind wings. Behind the thorax often is a white circular drawing. The antennae of the males are strong on both sides combed, those of the females are thready.
Similar Species
Craft Bergers beef tensioner is different from the color variation conversaria of wavy lines beef tensioner ( Alcis repandata ) by the narrower and weaker bulged black colored medium shade, which is particularly noticeable in the male moths.
Synonyms
- Alcis maculata
- Boarmia maculata
Occurrence
The distribution area of craft Bergers beef tensioner extends through central Europe to beyond the Urals to the Far East, where the ssp. sachalinensis lives. In the Alps, he rises up to 1200 meters. The species prefers inhabits coniferous forests, broom and juniper heaths, glades and areas with blueberry plantings.
Way of life
The moths are mostly nocturnal and fly like artificial light sources, but also flowers of thistles, scabious ( knautia ) Fuchsschem ragwort ( Senecio ovatus ) or Exceptional agrimony ( Eupatorium cannabinum ) to. Main flight period are the months of July to September. The caterpillars live in late summer polyphagous on a wide variety of shrubs and low plants, for example in blueberry ( Vaccinium myrtillus ), Common Clematis (Clematis vitalba ), raspberry (Rubus idaeus ), heather (Erica ) and birch (Betula ) and other deciduous and conifers. The caterpillars overwinter.
Endangering
The species is widespread in the central and southern German states, in part, not rare and is therefore classified on the Red List of Threatened Species as not at risk.