P. dos S. Vilhena, L. de J. Rocha, and C. A. Garófalo, “Male Orchid Bees (Hymenoptera: Apidae: Euglossini) in Canopy and Understory of Amazon Várzea Floodplain Forest. I. Microclimatic, Seasonal and Faunal Aspects”, Sociobiology, vol. 64, no. 2, pp. 191–201, Sep. 2017.