Barros, Simone Santos Oliveira, et al. “The Bee Fauna (Hymenoptera, Apoidea) in Cerrado and Cerrado-Amazon Rainforest Transition Sites in Tocantins State, Northern Region of Brazil”. Biota Neotropica, vol. 22, no. 3, Jan. 2022, https://www.biotaneotropica.org.br/BN/article/view/1912.