Nunes-Silva, P., Hrncir, M., Shipp, L., Kevan, P., & Imperatriz-Fonseca, V. L. (2013). The behaviour of Bombus impatiens (Apidae, Bombini) on tomato (Lycopersicon esculentum Mill., Solanaceae) flowers: pollination and reward perception. Journal of Pollination Ecology, 11, 33–40. https://doi.org/10.26786/1920-7603(2013)3