A polylectic species, but showing a preference for Fabaceae and Asteraceae (eg Ivanov et al, 2005).
Banaszak & Romasenko (1989) list the following genera as forage sources: Sophora, Medicago, Lotus, Melilotus (Fabaceae); Cirsium, Crepis, Centaurea, Cichorium, Taraxacum, Carduus (Asteraceae).