Griswold, Terry, and Molly G. Rightmyer. “A Revision of the Subgenus Osmia (Diceratosmia), With Descriptions of Four New Species (Hymenoptera, Megachilidae)”. Zootaxa 4337, no. 1 (October 17, 2017): 1–37. Accessed May 3, 2025. https://www.mapress.com/zt/article/view/zootaxa.4337.1.1.