A univoltine species, flying in Summer, from May to September (Mavromoustakis, 1948; 1951; 1952). Stanisavljević (2000) reports flight activity from June to September in Serbia
Parasites: The bees Coelioxys afra and Coelioxys brevis (Megachilinae) are cited as cleptoparasites of this species (Banaszak & Romasenko, 1989).