A univoltine species: mid April to late May (rarely females are found in mid June).
The species is apparently absent from Belgium and Luxembourg, (Rasmont et al. 1995), the Netherlands (Peeters, Raemakers & Smit, 1999) and only rarely encountered in Germany (Westrich, 1989).
Parasites and predators: This species is host of the cleptoparasitic bee Nomada hirtipes.