As this is a cleptoparasitic species, all flower visits will be for nectar only.
In Germany the species visits Melilotus alba, Lotus corniculatus (Fabaceae); Echium vulgare (Boraginaceae); Origanum, Thymus serpyllum, Teucrium (Lamiaceae); Inula salicina and Centaurea scabiosa (Asteraceae) (Westrich, 1989).
In Cyprus, Mavromoustakis (1948; 1952) records visitation for nectar at Cardopatium (=Broteroa) corymbosa (Asteraceae) and Kickxia (=Linaria) elatine (Plantaginaceae); Teucrium polium micropodioides, Teucrium cyprium (Lamiaceae); Rubus ulmifolius anatolicus (Rosaceae); Limonium (=Statice)sp. (Plumbaginaceae); Lotus sp. (Fabaceae)