Eremapis parvula is a specialist bee of Prosopis (Vossler, 2013)
References
OGLOBLIN, A. 1956. Dos géneros nuevos de la tribu Exomalopsini (Apidae, Hym.) de la República Argentina. Dusenia 7 (3): 149-158
MICHELETTE, E. R., & CAMARGO, J. M. 2000. Bee-plant community in a xeric ecosystem in Argentina. Rev. Bras. Zool. 17: 651-665.
VOSSLER, F. G. 2013. The oligolecty status of a specialist bee of South American Prosopis (Fabaceae) supported by pollen analysis and floral visitation methods. Org Divers Evol 13:513–519