Literature
Auteur(s) Kuhlmann, M., Ascher, J.S., Dathe, H.H., Ebmer, A.W., Hartmann, P., Michez, D., Müller, A., Patiny, S., Pauly, A., Praz, C., Rasmont, P., Risch, S., Scheuchl, E., Schwarz, M., Terzo, M., Williams, P.H., Amiet, F., Baldock, D., Berg, Ø., Bogusch, P., Calabuig, I., Cederberg, B., Gogala, A., Gusenleitner, F., Josan, Z., Madsen, H.B., Nilsson, A., Ødegaard, F., Ortiz-Sanchez, J., Paukkunen, J., Pawlikowski, T., Quaranta, M., Roberts, S.P.M., Sáropataki, M., Schwenninger, H-R., Smit, J., Söderman, G. and Tomozei , B.
Jaar 2013
Titel Checklist of the Western Palaearctic bees. Available at: http://westpalbees.myspecies.info. (Accessed: 20 May 2014)