Benmesbah, M., Zacca, T., Casagrande, M.M., Mielke, O.H.H., Lamas, G. and Willmott, K.R. 2018.

Taxonomic notes on Papilio ocypete Fabricius, 1776 and Papilio helle Cramer, 1779 with description of two new similar species from South America (Lepidoptera: Nymphalidae: Satyrinae)

. Zootaxa. 4425, 1 (May 2018), 115–145. DOI:https://doi.org/10.11646/zootaxa.4425.1.7.