A. Nemésio, J. E. S. Júnior, and F. R. Santos, “Eufriesea zhangi sp. n. (Hymenoptera: Apidae: Euglossina), a new orchid bee from Brazil revealed by molecular and morphological characters”, Zootaxa, vol. 3609, no. 6, pp. 568–582, Feb. 2013.