Gonzalez, V. H., Gustafson, G. T., & Engel, M. S. (2019). 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, 85, 1-123. https://doi.org/10.17161/jom.v0i85.11541