Checklist of the Western Palaearctic Bees
Checklist of the Western Palaearctic Bees
Kuhlmann, M., Ascher, J.S., Dathe, H.H., Ebmer, A.W., Hartmann, P., Michez, D., Müller, A., Patiny, S., Pauly, A., Praz,
http://westpalbees.myspecies.info/
RSD
136