Woodcock, Thomas S., Brendon M.H. Larson, Peter G. Kevan, David W. Inouye, and Klaus Lunau. “Flies and Flowers II: Floral Attractants and Rewards”. Journal of Pollination Ecology 12 (February 24, 2014): 63–94. Accessed February 6, 2023. https://pollinationecology.org/index.php/jpe/article/view/231.