As this is a cleptoparasitic species, all flower visits will be for nectar only.
Mavromoustakis (1952; 1960) lists Vitex agnus-castus (Lamiaceae); Cardopatium (=Broteroa) corymbosa, Centaurea cilicica, Centaurea hyalolepis (Asteraceae); Limonium (=Statice) virgata (Plumbaginaceae) as nectar sources in Cyprus