Auteur(s)	Sedivy, C., S. Dorn, A. Widmer, and A. Müller.
Jaar	2013
Titel	Host range evolution in a selected group of osmiine bees (Hymenoptera: Megachilidae): the Boraginaceae-Fabaceae paradox. Biol. J. Linn. Soc. 108:35-54.

• Hoplitis (Hoplitis) holmboei