The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- D. J. Brothers. 1999. Phylogeny and evolution of wasps, ants and bees (Hymenoptera, Chrysidoidea, Vespoidea and Apoidea). Zoologica Scripta 28(1-2):233-249
- Michener, Charles D. 2000. The Bees of the World. xiv + 913
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