Roig-Alsina, A., & Alvarez, L. J. (2017).

Southern distributional limits of Meliponini bees (Hymenoptera, Apidae) in the Neotropics: taxonomic notes and distribution of Plebeia droryana and P. emerinoides in Argentina

. Zootaxa, 4244(2), 261–268. https://doi.org/10.11646/zootaxa.4244.2.7