Portman, Z.M., Griswold, T. and Pitts, J.P. 2016. Association of the female of Perdita (Xeromacrotera) cephalotes (Cresson), and a replacement name for Perdita bohartorum Parker (Hymenoptera: Andrenidae). Zootaxa. 4097, 4 (Apr. 2016), 567–574. DOI:https://doi.org/10.11646/zootaxa.4097.4.8.