Apparently a polylectic species. In Turkey it has been recorded on Centaurea spp (Asteraceae) (Özbek 2010), on Dorycnium hirsutum (Fabaceae) in Greece (Standfuss 2009) on Geranium sanguineum (Geraniaceae)(Friese 1896) and Alkanna tinctoria, Anchusa spp. (Boraginaceae) and Salvia patula (Lamiaceae)(Saunders 1908) in Algeria. It has been associated with the sexually deceptive orchid Ophrys heldreichii (Orchidaceae)(Gaskett 2011).