A univoltine species. Mid June to the end of July or August (Amiet et al., 2004). In favourable years the species can persist into September. Balzan et al (2017) report females active in May in Malta. Stanisavljević (2000) listing specimens from Serbia states the species flies from June to August
Parasites and predators: The bees Stelis punctulatissima and Dioxys tridentata are cited as cleptoparasites of this species (Westrich, 1989).
Banaszak & Romasenko (1998) list the following as parasites or cleptoparasites: Stelis punctulatissima, Dioxys (as Dioxoides) tridentata, Dioxys cinctus (Apidae; Megachilinae); Chrysis pustulosa, Chrysis austriaca, Chrysis sexdentata (Chrysididae); Leucospis dorsigera (Leucospidae); Eurytoma nodularis (Eurytomidae), Neochalcis osmicida (Chalcididae); Melittobia acasta (Eulophidae).