As this is a cleptoparasitic species, all flower visits will be for nectar only.
Specimen data from Israel, Greece and its islands includes records of visits to: Anchusa undulata,Anchusa strigosa, Alkanna tinctoria (Boraginaceae); Salvia fruticosa, Prasium majus (Lamiaceae) Asphodelus aestivus, Muscari comosum (Liliaceae); Tordylium apulum (Apiaceae)