Almost certainly polylectic. Maghni et al (2017) list the following forage sources in Algeria: Rosmarinus officinalis (Lamiaceae); Raphanus raphanistrum, Raphanus sativus (Brassicaceae); Sulla (= Hedysarum) coronarium (Fabaceae); Papaver rhoeas (Papaveraceae)
Other flower visitation is as follows: Caryophyllaceae, Asteraceae, Zygophyllaceae, Fabaceae, Boraginaceae and Lamiaceae (S. Roberts pers. obs. 2014, C. O'Toole pers. comm. 2014).