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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), 115–145. https://doi.org/10.11646/zootaxa.4425.1.7