Coenonympha arcania
White Heath cohesive
The White Cohesive Heath or Perlgrasfalter ( Coenonympha arcania ) is a butterfly ( butterfly ) of the family Nymphalidae ( Nymphalidae ).
- 3.1 Flight time
- 3.2 food of the caterpillars
- 6.1 Notes and references
- 6.2 Literature
Description
The moths reach a wingspan of 28 to 35 millimeters. Your front wing tops are ocher- colored to orange- brown and have a broad, dark edge. The tops of the hind wings are dark brown. The wing undersides run from the wing roots away from gray to orange. The posterior third is dominated by a broad white band. At these limits several black eye patch, which are cored white and orange and black border. They are very different in size. Four to five of them to the outer edge flow around back of the napkin, another sitting on the wing leading edge on the inboard side of the napkin. Between the eye-spot number and the wing edge, a white-gray, the contour of the wing edge following line runs. The undersides of the forewings are orange in color and slightly gray at the edges. On them is located near the wing tips of each another eyespot. The wings are fringed gray.
The caterpillars are about 20 mm long. They are colored green and bear next to a strong white side stripes another near the back, which is but weak. At the end of the abdomen protrude two white, dyed pink at the top corner to the rear.
Similar Species
- Forest Heath ( Coenonympha hero )
- Large Heath ( Coenonympha tullia )
- Rivervale - Heath ( Coenonympha oedippus )
- Red Brown Heath ( Coenonympha glycerion )
- Alpine Heath ( Coenonympha gardetta )
Occurrence
The animals come in Central and Eastern Europe, from northern Spain to southern Sweden and in southern Europe throughout mainland Italy and on to Turkey. To the east you can find them on the temperate Asia to Transcaucasia. They colonize depending on the temperature a height of up to 1,800 meters. They come almost before anywhere, preferably living in sun-drenched and loose forests and at the edges and on verbuschtem dry grasslands. The populations are in fact diminishing.
Way of life
The butterfly sitting with closed wings on most sunny places. To this end, they direct their underwings directly to the sun and sit by very oblique.
Flight time
They fly in one generation a year from mid-May to mid-August.
Food of the caterpillars
The caterpillars feed on honey woolly grass ( Holcus lanatus ), skipjack or sheep fescue ( Festuca ovina ) and other Süßgrasarten.
Development
The females lay their eggs singly or in small groups on the stems of forage crops. The caterpillars overwinter young.
Threats and conservation
- Red List BRD: V ( near threatened ). They are especially protected by the Federal Species Protection Ordinance in Germany.