The citation for this list is:
Ascher, J. S. et al. 2008. Apoidea species guide.http://www.discoverlife.org/mp/20q?guide=Apoidea_species

If you ctrl & click on the species names, you will be taken directly to that species' page on the discoverlife website.

 Species Lists

Stenotritidae

Colletidae

Andrenidae

Halictidae

Melittidae

Megachilidae

 Apidae