Almost certainly polylectic, with a preference for various Lamiaceae (Praz, 2017). Mavromoustakis (1948; 1952; 1954) reports visitation to Teucrium divaricatum, Teucrium polium micropodioides, Marrubium vulgate apolum (Lamiaceae); Centaurea hyalolepis (Asteraceae); Echium sericeum (Boraginaceae).