Host plants:
The larvae are polyphagous, but feed mostly on dwarf shrubs like Myrica, Vaccinium, Salix, Betula or Calluna.
Habitat:
Coenophila subrosea inhabits bogs and heath moors.
Life cycle:
The young larva hibernates and the moths are on the wing between late July and early September.
Endangerment factors:
Coenophila subrosea has already suffered great losses due to the large-scale destroyment of bogs in Western and Central Europe and is dependent there on the strict protection and ecological development of the still existing habitats.
Remarks:
Coenophila subrosea occurs from Great Britain and France (here only very locally) across parts of Central and Northern Europe (northward to central Scandinavia) and the more northern Asia to N-Japan. It locally reaches Austria and even Italy in the south. In Germany it is more widespread in the north, but extremely rare in the south.