Osmia (Hoplosmia) fallax Pérez, 1895
- Lhomme, P. 2014. Osmia fallax. The IUCN Red List of Threatened Species 2014: e.T19198941A21155236. Downloaded on 29 November 2018.
- Moreno-Rueda, G., Marfil-Daza, C., Ortiz-Sanchez, F.J. and Melic, A. 2008. Weather and the use of empty gastropod shells by arthropods. Annales de la Société Entomologique de France 44: 373-377.
- Müller, A. 2012. Palaearctic Osmiine Bees, ETH Zürich, http://blogs.ethz.ch/osmiini. [Accessed 26 November 2012].
- Müller, A. 2018. Palaearctic Osmia bees of the subgenus Hoplosmia (Megachilidae, Osmiini): biology, taxonomy and key to species Zootaxa 4415 (2): 297–329.
- Nieto, A., Roberts, S.P.M., Kemp, J., Rasmont, P., Kuhlmann, M., García Criado, M., Biesmeijer, J.C., Bogusch, P., Dathe, H.H., De la Rúa, P., De Meulemeester, T., Dehon, M., Dewulf, A., Ortiz-Sánchez, F.J., Lhomme, P., Pauly, A., Potts, S.G., Praz, C., Quaranta, M., Radchenko, V.G., Scheuchl, E., Smit, J., Straka, J., Terzo, M., Tomozii, B., Window, J. and Michez, D. 2014. European Red List of bees. Luxembourg: Publication Office of the European Union.