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. et al.
Jaar 2012
Titel Checklist of the Western Palaearctic bees: http://westpalbees.myspecies.info. Available at: http://westpalbees.myspecies.info. (Accessed: 26th May 2018).