A polylectic species, collecting pollen from Centaurea scabiosa, Centaurea cyanus, Picris hieracioides (Asteraceae), Campanula rotundifolia (Campanulaceae), Salvia pratensis (Lamiaceae), Galium verum (Rubiaceae). (Westrich, 1989).
Pesenko, Banaszak et al. (2000) state that the species is Oligolectic on Lamiacae. However, there are very few Polish records, and none appears to support this statement, and no further reference is given.
In Switzerland, it is stated to have a preference for Salvia pratensis (Lamiaceae)(Amiet et al., 2001).
Ebmer (1971) lists Salvia pratensis, Thymus and Stachys (Lamiaceae) as forage plants.
Mavromoustakis (1948) reports visitation to Salvia sp. (Lamiaceae) in Cyprus