Chersotis margaritacea
Grey Labkrauteule ( Chersotis margaritacea )
The Grey Labkrauteule ( Chersotis margaritacea ), also known as Bright rock Lawn Erdeule or Pearl Erdeule, is a butterfly (moth ) from the family of cutworms ( Noctuidae ).
- 7.1 Notes and references
- 7.2 Literature
Features
Butterfly
The wingspan of the moth is about 34 to 40 millimeters. The forewing color is ashen. The thorax is light gray, the head whitish. On Costalrand between ring and kidney blemish, a nearly square black-brown stain, which is sometimes slightly notched from below as well as three other smaller dark spots located at the edge Kostal. The Swap and transverse lines are indistinct. In Zapf blemish, there is often a small black dot. The drawing can in some specimens will cease to exist on the black spot between the Swap. The Saumfeld is slightly darker gray, with a brownish toned, washed-out region near the wing tip. The hind wings are in the male moths are usually snow white, with short, thin, silky hair fringe. In females, the hind wings are grayish white.
Egg, caterpillar, pupa
The egg is gray-green with reddish spots at the pole and an equally colored tie in the middle. The young caterpillar is colored gray-brown to yellow-brown and has bright longitudinal lines, the older caterpillar develops additional dark, wedge-shaped oblique spots on the sides. In the segment cuts spotty darkening can be seen. The pupa is reddish brown and has two short spines on the cremaster.
Similar Species
The type is similar to the late-summer horror Bodeneule ( Eugnorisma glareosa ), but at Costalrand has several somewhat more pronounced character.
Geographical distribution and habitat
The species is widespread throughout southern Europe and central Europe to northern Belgium, the northern edge of the highlands, south-eastern Poland, Ukraine (Crimea ) and the North Caucasus. It also occurs in North Africa (Algeria, Morocco), Asia Minor, Lebanon, Israel, Iran, Georgia, Armenia, Kazakhstan and to the Altai.
It is mainly found in warm areas with limestone and inhabited among other sunny slopes and screes. In Spain, it has been found up to 1,580 meters above sea level.
Way of life
The Grey Labkrauteule is one generation per year, flying the moth from late June to early September. They are nocturnal and come out on artificial light sources and visit the bait. The caterpillars live from September to bedstraw species ( Galium ) or hill - Meier ( Asperula cynanchica ). They usually feed at night, overwinter and pupate until May of the following year.
Endangering
The species is in many northern areas of very rare or absent in Germany and is on the Red List of endangered species in category 3 ( endangered) performed in Baden- Württemberg it is near threatened.
System
There are three subspecies:
- Chersotis margaritacea margaritacea ( Villers, 1789)
- Chersotis margaritacea atlanticola swing shot, 1955, Morocco and Algeria
- Chersotis margaritacea orophila addition, in 1967, Morocco and Algeria
Its status as a subspecies has yet to be confirmed. Most of the other subspecies and varieties were reunited by Fibiger (1993 ) with the Nominatunterart. Conversely, presented the former subspecies Cyrnea winder, 1908 by Corsica as an independent species out.