The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Bossert, Silas (2014): The high alpine bee fauna (Hymenoptera: Apoidea) of the Zillertal Alps, Austria. Biodiversity Data Journal 2, 1115: 1115-1115, URL:http://dx.doi.org/10.3897/BDJ.2.e1115
Hilty, J. Editor. 2015. Insect Visitors of Illinois Wildflowers. World Wide Web electronic publication. illinoiswildflowers.info, version (09/2015)
See: Abbreviations for Insect Activities, Abbreviations for Scientific Observers, References for behavioral observations
- Michener, Charles D. 2000. The Bees of the World. xiv + 913
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