The species appears to be polylectic.
In Turkey (Ozbek 2010) it has been recorded while foraging on Anchusa angustissima, A. italica, Echium vulgare (Boraginaceae); Ajuga chia, A. orientalis, Salvia aethiopis, S. candidissima S. frigida, Stachys spp., (Lamiaceae); Centaurea calcitrapa, C. carduiformis, C. solstitialis, Cychorium inthybus, Cirsium sp., Carduus sp. Onopordun sp. (Asteracerae); Pedicularis tuberosa, P. comosa (Orobanchaceae) and is especially abundant on Onobrychis sativa (Fabaceae)(Ozbek 2010). Males have been recorded in Italy in April-May and they visit Anchusa and Nonea (Boraginaceae) during May while the females visit Centaurea cyanea (Asteraceae) during June (Quaranta et al. 2004). Medicago sativa (Fabaceae) is also a forage plant (Friese 1896, Tasei 1978). Females are still on the wing in July in Spain (Dusmet y Alonso 1926). In Romania it has also been recorded on Anchusa officinalis, Cerinthe minor, Nonea pulla (Boraginaceae); Trifolium pratense, Astragalus onobrychis, Coronilla (Fabaceae); Centaurea cyanus (Asteraceae); Knautia arvensis (Dipsacaceae); Syringa vulgaris (Oleaceae); Papaver rhoeas (Papaveraceae) and Euphorbia (Euphorbiaceae) (Iuga 1958).