Mueller (1996) lists this as an oligolectic species, specialising in Cardueae (Asteraceae) pollen. Pollen analysis revealed the following pollen sources in addition to Asteraceae: Fabaceae and Boraginaceae.
In Cyprus, Mavromoustakis (1948, 1951) reports foraging at Scolymus hispanicus, Cirsium syriacum, Centaurea hyalolepis (Asteraceae); Marrubium vulgare apolum, Mentha longifolia (Lamiaceae)