Maia-Silva, C., Imperatriz-Fonseca, V. L., Silva, C. I., & Hrncir, M. (2014). Environmental windows for foraging activity in stingless bees, Melipona subnitida Ducke and Melipona quadrifasciata Lepeletier (Hymenoptera: Apidae: Meliponini). Sociobiology, 61(4), 378–385. https://doi.org/10.13102/sociobiology.v61i4.378-385