Barbosa, Fernando Mendes, et al. “Foraging Pattern and Harvesting of Resources of Subterranean Stingless Bee Geotrigona Subterranea (Friese, 1901) (Hymenoptera: Apidae: Meliponini)”. Papéis Avulsos De Zoologia, vol. 56, no. 12, Oct. 2016, pp. 151-7, https://doi.org/10.1590/0031-1049.2016.56.12.