Arnold, Sarah, Celine Silva, Jan-Hendrik Dudenhöffer, David Hall, Dudley Farman, Felix Wäckers, Philip Stevenson, and Michelle Fountain. “Priming Bumble Bees With Caffeine, Odour of the Target Crop, and a Food Reward, Has Minimal Effects on Fruit Crop Pollination and Yield in a Semi-Commercial Setup”. Journal of Pollination Ecology 38 (February 7, 2025): 22–35. Accessed April 29, 2026. https://www.pollinationecology.org/index.php/jpe/article/view/797.