On oligolectic species, specialising in pollen of varoius Asteraceae (Pesenko in Banaszak, 1995).
Banaszak & Romasenko (1989), copied by Stanisavljević (2000), list the following forage plants: Leontodon, Carduus, Onopordon, Centaurea, Helianthus (Asteraceae) and also state that there are occasional visits to Salvia and Leonurus (Lamiaceae).
Pekkarinen (1998) lists plants in the following genera of Asteraceae as pollen sources in Finland: Centaurea, Cirsium and Hieracium