Literature
- Baldock, D., Wood, T., Cross, I., Smit, J. 2018. The Bees of Portugal (Hymenoptera: Apoidea: Anthophila) – Entomofauna Suppl. S22: 1–164.
- Fellendorf M., Mohra C., Roberts S., Wirtz P., van der Zanden G. 1999. The bees of Madeira (Hymenoptera, Apoidea), Bocagiana, Museu Municipal do Funchal (História Natural), Madeira 197, 1–17.