Presumed to be a univoltine species with an extended flight period.Insufficient data to establish the full phenology (Westrich, 1989). Records from Switzerland show that the species flies from early April to early September (Amiet et al., 2001)
Label data from a few Spanish specimens show that females are active in (at least) July and male in August (Ortiz-Sanchez & Pauly, 2017)
Parasites None known