Mueller (1996) states that this is a polylectic species, with a strong preference for Papilionoideae (Fabaceae) pollen. Pollen analysis also revealed (in addition to Fabaceae) the following pollen sources: Rosaceae, Boraginaceae, Lamiaceae, Scrophulariaceae and Asteraceae.
Mavromoustakis (1960) lists the following plants as forage sources on Rhodos: Scabiosa maritima (Dipsacaceae); Lotus sp. (Fabaceae). In Cyprus, the same author (Mavromoustakis, 1948; 1952) lists Kickxia (=Linaria) elatine (Plantaginaceae); Carlina lanata (Asteraceae); Teucrium polium micropodioides, Teucrium cyprium, Satureja incana, Marrubium vulgare apolum (Lamiaceae); Heliotropium villosum (Boraginaceae); Calycotome villosa, Alhagi maurorum (Fabaceae) as forage sources.
Specimen data from Israel, Greece and its islands includes records of visits to: Echium angustifolium (Boraginaceae); Trifolium campestre (Fabaceae)