Distribution and co-existence of the Macropis species and their cleptoparasite Epeoloides coecutiens (Fabr.) in NW Europe (Hymenoptera: Apoidea, Melittidae and Apidae)
Pekkarinen, A., Berg Ø., Calabuig, I., Janzon L. Å., & Luig, J. (2003). Distribution and co-existence of the Macropis species and their cleptoparasite Epeoloides coecutiens (Fabr.) in NW Europe (Hymenoptera: Apoidea, Melittidae and Apidae). Entomologica Fennica, 14(1), 53-59.