Grando, Carolina, Nolan David Amon, Steven J Clough, Na Guo, Wei Wei, Patricia Azevedo, Margarita Maria López-Uribe, and Maria Imaculada Zucchi. 2018. “Two Colors, One Species: The Case of Melissodes Nigroaenea (Apidae: Eucerini), an Important Pollinator of Cotton Fields in Brazil”. Sociobiology 65 (4). Feira de Santana, Brazil:645-53. https://doi.org/10.13102/sociobiology.v65i4.3464.