Amphipyra effusa is a moth in the family Noctuidae. It is found from the Mediterranean region and Asia.
The wingspan is 41âÂÂ48 mm. The moth flies from May to September.In southern France (Hérault) it is often encountered in the caves of Occitania, mating here for a long time (summer).
The larvae feed on various plants, including Ferula, Populus, Erica, Cytisus and Cistus.