Hall, H Glenn, and Laura Avila. “Megachile Sculpturalis, the Giant Resin Bee, Overcomes the Blossom Structure of Sunn Hemp (Crotalaria Juncea) That Impedes Pollination”. Journal of Melittology, no. 65 (December 21, 2016): 1–11. Accessed July 22, 2024. https://journals.ku.edu/melittology/article/view/5887.