Literature
- Baldock, D., Wood, T., Cross, I., Smit, J. 2018. The Bees of Portugal (Hymenoptera: Apoidea: Anthophila) – Entomofauna Suppl. S22: 1–164.
- 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. 2012. Checklist of the Western Palaearctic bees: http://westpalbees.myspecies.info. Available at: http://westpalbees.myspecies.info. (Accessed: 25th May 2018).
- Smit, J. 2018. Identification key to the European species of the bee genus Nomada Scopoli, 1770 (Hymenoptera: Apidae), including 23 new species. Entomofauna Monographie 3: 1-253 Ansfelden.
- Vereecken, N.J., Dufrêne, E., Roberts S.P.M. & Smit, J. 2008. Redécouverte de Nomada agrestis FABRICIUS (Hymenoptera, Apidae) en France méditerranéenne. – Osmia 2, 4 pp.