Euphyia frustata
Grey-green color variant of yellow green angle tensioner ( Euphyia frustata )
Called The Yellow Green angle clamps ( Euphyia frustata ), and chickweed - blade tensioner or horn Mierendorff blade tensioner, is a butterfly (moth ) from the family of the tensioner ( Geometridae ).
- 6.1 Notes and references
- 6.2 Literature
Features
Butterfly
The wingspan of the butterfly is 28 to 34 millimeters. The ground color of the forewings varies from gray green to moss green and yellow-green to yellow to brown or yellow-orange. You are provided with numerous wavy transverse lines, which are usually created twice and filled dark. The midfield stands out brighter and shows an elongated Diskalfleck. The Saumfeld is darkened and criss-crossed by a lighter shaft line. The hind wings have a gray-white color. Transverse lines are mostly indistinct or obliterated. The hemline is made up of small black dots.
Egg
The egg is initially white, later tinted pink and provided with red spots. It is coated with a nearly square network and displays the page deep recesses. The Mikropylrosette is vierblättrig.
Caterpillar
Adults and caterpillars are colored on the back reddish to brownish on the sides lehmgelb and point to the first three segments dark, broken back and side back lines.
Doll
The squat doll is reddish brown in color and provided to the abdomen with points. The cremaster is characterized by two tapered and longer, diverging bristles at the end as well as several shorter on the sides.
Geographical distribution and occurrence
The occurrence of yellow green angle tensioner extends from North Africa through the entire Mediterranean to Asia Minor. In Central Europe it is only very locally and found lacking in Northern Europe and the British Isles. The height distribution of the species is located in the Alps between 500 and 2000 meters. She prefers rock rich dry grasslands, screes and rocky valleys.
Way of life
The nocturnal moths form a generation that flies in the months of July to September in the rule. In climatically favorable regions, however, appear two generations, which can be found from late April to June and from mid-July to late September. On the day the moths rest with preference under overhanging rocks. At night they like to visit artificial light sources. The caterpillars feed mainly on the leaves of chickweed ( Cerastium ), Mierendorff ( Minuartia ), chickweed ( Stellaria ) and Labkrautarten ( Galium ). The species overwinters as a pupa.
Endangering
The Yellow Green Corner clamp is on the Red List of endangered species in Germany as " critically endangered " made in Bavaria, he is "at risk". In Baden- Württemberg he comes though in some places many times before, however, the threat has yet to be clarified.
Subspecies
The following subspecies are known:
- Euphyia frustata frustata
- Euphyia frustata fulvocinctata
- Euphyia frustata griseoviridis