An oligolectic species, specialising in Brassicaceae (Pesenko in Banaszak, 1995). Tomozei (2006), citing Osychniuk (1977) lists Barbarea vulgaris, Lepidium draba, Bunias orientalis, Erucastrum armoracioides, Sisymbrium arvensis, Isatis tinctoria (Brassicaceae); Ranunculus (Ranunculaceae) as forage sources