Reference
Richard I. Vane-Wright (2020): Euploea dorippus Klug, 1845: species, semispecies, subspecies, junior subjective synonym of Danaus chrysippus chrysippus (Linnaeus), and/or form – what does Klug’s dorippus represent? (Lepidoptera: Nymphalidae, Danainae) – Nota lepidopterologica – 43: 117 - 138.