Portman, Z. M., Neff, J. L. and Griswold, T. (2016) “Taxonomic revision of Perdita subgenus Heteroperdita Timberlake (Hymenoptera: Andrenidae), with descriptions of two ant-like males”, Zootaxa. Auckland, New Zealand, 4214(1), pp. 1–97. doi: 10.11646/zootaxa.4214.1.1.