Martins, C. F. (2004) “Tree species used for nidification by stingless bees in the Brazilian caatinga (Seridó, PB; João Câmara, RN)”, Biota Neotropica. Sao Paulo, Brazil, 4(2). Available at: https://www.biotaneotropica.org.br/BN/article/view/1576 (Accessed: 18 November 2025).