Univoltine, but with an extended flight period. Females are active from mid May to mid October; males from the beginning of July to late September.
Label data from three Spanish specimens shows that both sexes are active in August at 1800m in the Sierra de Guadarrama, Madrid (Ortiz-Sanchez & Pauly, 2017).
Parasites and predators None known in the British Isles.
On the continent, the cleptoparasite Sphecodes geoffrellus is reported to attack the nests of this species (F.K. Stöckhert, 1933; Westrich, 1989). Nomada furva is also cited as a possible cleptoparasite (Söderman & Leinonen, 2003)