A univoltine species, flying from March to May. Ortiz-Sanchez et al. (2012) give a flight period in Iberia from March to June. In the Balearic Islands there is some winter emergence in December and January
Parasites & Predators: Westrich (1989) cites Megachile (Chalicodoma) siculum as a host of the cleptoparasitic bee Stelis nasuta in southern Europe