Literature
- Baldock, D., Wood, T., Cross, I., Smit, J. 2018. The Bees of Portugal (Hymenoptera: Apoidea: Anthophila) – Entomofauna Suppl. S22: 1–164.
- Kasparek, M. 2015. The Cuckoo Bees of the Genus Stelis Panzer, 1806 in Europe, North Africa and the Middle East: A Review and Identification Guide. Entomofauna Vol No : 18: 144pp.