Cleptoparasitic: Hosts, Andrena nitida and A. scotica. (R.C.L. Perkins, 1916, 1919g, Westrich, 1989) and Andrena ferox in the New Forest, Hampshire (pers.obs.). Richards (1979) cites A. nigroaenea and A. fulva as hosts. In Devon, G.M. Spooner (pers. comm.) believed small races of the Nomada may attack A. angustior. Possibly also A. nigroaenea (Smit, 2018).