Chersotis cuprea

Chersotis cuprea is a moth of the family Noctuidae.



Subspecies
There are three recognised subspecies:
 * Chersotis cuprea cuprea
 * Chersotis cuprea japonica (Japan)
 * Chersotis cuprea schaeferi (Eastern Tibet)

Description
Adult males have a wingspan of 32 - 36 mm; adult females have a wingspan of 33 - 39 mm. This species shows a high variability in the basic colors. Usually, the upper side of the forewings is coppery reddish brown (hence the Latin name cuprea) with dark brown markings that have a thin whitish border. The underside of the forewing is dark gray-brown. The hind wings are monochrome gray-brown. Caterpillars are gray-brown, with dark dorsal markings and bright side stripes. Warren (1914) states R. cuprea Schiff. (= haematitedea Esp.) that the forewing is a dull brown; the median area below the subcostal vein is dark brown; the veins and edges of stigmata are very finely pale; the stigmata are a deep brown; the costa is dark with fine pale speckling and a dark shade before the submarginal line; the hindwing is gray-brown with a yellowish fringe. The species in found in Northern Europe (excluding Britain), Armenia, and Kamschatka. The larvae are dull brown, with 3 whitish dorsal lines, some oblique black subdorsal streaks, and a grey lateral line; The larvae live on various low plants.

Biology
The moth flies from July to September depending on the location. The larvae feed on Vaccinium myrtillus, on Asteraceae (Centaurea or Taraxacum) and on other plants.

Distribution
This species can be found in Northern Europe, the Pyrenees, Central Europe down to Greece and east through the Ukraine, Siberia, Turkey, the Caucasus and Armenia, up to China and Japan.

Habitat
These moths live in forests and in mountain forests, in nutrient-poor grasslands and especially in partly humid alpine pastures.