Uncertain in Germany, but likely to be a univoltine species with an extended flight period. In Austria, the females emerge relatively late (end of May). The males fly from the end of July. (Westrich, 1989).
In Switzerland, Amiet et al., (2001) state that the females fly from the beginning of April to the end of August, and the males emerge at the end of June.
Label data from a few Spanish specimens shows that females are active in July and August (Ortiz-Sanchez & Pauly, 2017).
Parasites None known