Literature
- Amiet, F., Herrmann, M., Müller, A. and Neumeyer, R. 2004. Apidae 4. Anthidium, Chelostoma, Coelioxys, Dioxys, Heriades, Lithurgus, Megachile, Osmia, Stelis. Fauna Helvetica, CSCF, SEG.
- Baldock, D., Wood, T., Cross, I., Smit, J. 2018. The Bees of Portugal (Hymenoptera: Apoidea: Anthophila) – Entomofauna Suppl. S22: 1–164.
- Balzan, M.V., Rasmont, P., Kuhlmann, M., Dathe, H., Pauly, A., Patiny, S., Terzo, M. and Michez, D. 2016. The bees (Hymenoptera: Apoidea) of the Maltese Islands. Zootaxa, 4162(2), pp.225-244.
- Banaszak, J. and Dochkova, B. 2014. Bees (Hymenoptera, Apoidea, Apiformes) in the agricultural landscape of Bulgaria: species diversity Journal of Apicultural Science Vol. 58 No. 1 pp. 29-49.
- Banaszak, J. and Romasenko, L. 1994. Megachilid Bees of Europe. Bydgoszcz.
- Bieri, S. 2002. Die Bienen und Wespen des Fürstentums Liechtenstein. Amtlicher Lehrmittelverlag.
- Fateryga A.V. 2017. New data on megachilid bees (Hymenoptera: Megachilidae) of the European part of Russia Proceedings of the Russian Entomological Society. St Petersburg, 2017. Vol. 88(2): 86–90.
- Ivanov, S. P., Andriychenko A. S., Fateryga A. V. 2005. in “Ecosystems of the Crimea, their optimization and conservation”. – Symferopol, 15: 86-97.
- Müller, A. 2011. Palaearctic Osmiine Bees, ETH Zürich, http://blogs.ethz.ch/osmiini.