Silva, Wagner Pereira, and Rogério Rodrigues de Andrade. 2022. “Male Sleeping Aggregation of Melissodes (Ecplectica) Nigroaenea (Smith, 1854) (Hymenoptera, Apidae, Eucerini) in Brazilian Cerrado”. Sociobiology 69 (2). Feira de Santana, Brazil:e5459. https://doi.org/10.13102/sociobiology.v69i2.5459.