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: 30th October 2017).