Oligolectic on Fabaceae (Pesenko in Banaszak, 1995). Known pollen sources include Trifolium pratense, Onobrychis viciifolia and Lotus corniculatus (Westrich, 1989).
Pekkarinen (1998) lists the following genera as pollen sources in Finland: Lathyrus, Trifolium and Vicia (Fabaceae).
Peeters & Reemer (2003) also cite Trifolium pratense (Fabaceae) as a forage source
Tomozei (2014), citing others, states that this species will visit a variety of flowering plants, such as Sambucus (Adoxaceae); Leucanthemum vulgare (Asteraceae); Symphytum (Boraginaceae); Brassica nigra (Brassicaceae); Melitotus, Vicia, Trifolium, Medicago, Anthyllis vulneraria, Lathyrus montanus, Cytisus, Lotus corniculatus (Fabaceae); Veronica (Plantaginaceae) and Potentilla (Rosaceae) (Osytshnjuk 1977, Dylewska 1987, Banaszak et al. 2006).