Ungricht, Stefan, Andreas Müller, and Silvia Dorn. “A Taxonomic Catalogue of the Palaearctic Bees of the Tribe Osmiini (Hymenoptera: Apoidea: Megachilidae)”. Zootaxa 1865, no. 1 (September 3, 2008): 1–253. Accessed May 2, 2025. https://www.mapress.com/zt/article/view/zootaxa.1865.1.1.