Silva, W.P. and de Andrade, R.R. 2022. Male Sleeping Aggregation of Melissodes (Ecplectica) nigroaenea (Smith, 1854) (Hymenoptera, Apidae, Eucerini) in Brazilian Cerrado. Sociobiology. 69, 2 (Jun. 2022), e5459. DOI:https://doi.org/10.13102/sociobiology.v69i2.5459.