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.
- Bieri, S. 2002. Die Bienen und Wespen des Fürstentums Liechtenstein. Amtlicher Lehrmittelverlag.
- Else, G.R. & Edwards, M. 2018. Handbook of the Bees of the British Isles. Ray Society, London.
- Falk S.J. & R. Lewington 2015. Field guide to the bees of Great Britain and Ireland. – British Wildlife Publishing Lt. 432 pp.
- Falk, S. 1991. A review of the scarce and threatened bees, wasps and ants of Great Britain. Research and Survey in Nature Conservation 35: 1-344.
- Müller, A. 2018. Pollen host selection by predominantly Alpine bee species of the genera Andrena, Panurginus, Dufourea, Megachile, Hoplitis and Osmia (Hymenoptera, Apoidea). Alpine Entomology 2, 101-113.
- 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.
- Scheuchl, E. & W. Willner 2016. Taschenlexikon der Wildbienen Mitteleuropas. Alle Arten im Porträt. – Quelle & Meyer Verlag, Wiebelsheim. 917 pp.
- Schmidt, H.T., Calabuig, I. & Madsen, H.B. 2017. To bier nye for den danske fauna (Hymenoptera, Apoidea). – Entomologiske Meddelelser 85 (1).
- Söderman, G. and Leinonen, R. 2003. Suomen Mesipistiäiset ja niiden uhanalaisuus. Tremex Press Oy, Helsinki.