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. Auckland, New Zealand, 4097(4), pp. 567–574. doi: 10.11646/zootaxa.4097.4.8.