Apparently oligolectic on Linum (Linaceae)(Banaszak and Romasenko, 2001; Westrich, 1989; A. Müller, unpublished, based on the pollen composition of 13 brood cells from 2 different localities and field observations; Müller & Richter, 2018).
Fateryga (2017) reports foraging on Linum lanuginosum (Linaceae).