Host plants:
The larvae feed on Oxycoccus palustris.
Habitat:
Carsia sororiata usually inhabits bogs with large stands of Oxycoccus.
Life cycle:
The moths occur between June and August (especially in July). The egg hibernates.
Remarks:
Carsia sororiata has a huge range, but is often only very local: N-America, central and northern Europe, N-Asia.