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LO, Y.-F.P. 2018. A new subspecies of <em>Delias</em> <em>agostina</em> Hewitson (Lepidoptera: Pieridae: Pierinae) from Hainan Island. Zootaxa. 4532, 4 (Dec. 2018), 553–560. DOI:https://doi.org/10.11646/zootaxa.4532.4.6.