Host plants:
According to literature, the larvae feed on various herbs and dwarf shrubs such as brooms (e.g. Genista), heather (Calluna) and Thymus.
Habitat:
Compsoptera opacaria is a typical inhabitant of the Mediterranean garrigue.
Life cycle:
The moths are on the wing in autumn (mainly September/October). The eggs hibernate, and the larvae should be searched until May or June.
Remarks:
Compsoptera opacaria occurs from NW-Africa across the Iberian Peninsula and S-France to Italy.