Gibbs, J., Ascher, J.S., Rightmyer, M.G. and Isaacs, R. 2017.

The bees of Michigan (Hymenoptera: Apoidea: Anthophila), with notes on distribution, taxonomy, pollination, and natural history

. Zootaxa. 4352, 1 (Nov. 2017), 1–160. DOI:https://doi.org/10.11646/zootaxa.4352.1.1.