Univoltine, with an extended flight period. Females fly from mid April to early October, males from early July to the end of September.
Label data from a Spanish specimens show that females are active from March to July and males from June to August (Ortiz-Sanchez & Pauly, 2017).
Parasites Sphecodes longulus is reported to be a cleptoparasite of this species (F.W. Stöckhert, 1933). F. Smith (1848, 1876) reports a stlyopised female.