An oligolectic species, specialising in Lamiaceae (Westrich, 1989; Pesenko in Banaszak, 1995).
The following forage sources are listed by Westrich (1989; 2018): Stachys recta, Stachys (=Betonica)officinalis and Clinopodium vulgare (Lamiaceae).
%LABEL% (%SOURCE%)