- ↑ (2007) , manuscript, World Bee Checklist Project
- ↑ Cockerell, T. D. A. (1940) Descriptions and Records of Bees - CLXXX, Annals and Magazine of Natural History, including Zoology, Botany, and Geology, Eleventh Series, vol. 6, no. 32
- ↑ (2008) , manuscript, World Bee Checklist Project - update 2008-09
- ↑ (2006) , manuscript, Afrotropical Bee Catalogue
- ↑ 5.0 5.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ ITIS Bees: World Bee Checklist. Ruggiero M. (project leader), Ascher J. et al., 28 Septyembre 2009