Gonzalez, Victor H., et al. “Morphological Phylogeny of Megachilini and the Evolution of Leaf-Cutter Behavior in Bees (Hymenoptera: Megachilidae): Evolution of Leaf-Cutter Behavior in Bees”. Journal of Melittology, no. 85, July 2019, pp. 1-123, https://doi.org/10.17161/jom.v0i85.11541.