''Papilio nephelus'' is a species of swallowtail butterfly belonging to the family Papilionidae. Subspecies include ''P. n. chaon'', the yellow Helen, and ''P. n. sunatus'', the black and white Helen.
Similar species: Moths And Butterflies
By Albert Kang
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Uploaded Aug 3, 2017. Captured Jun 25, 2015 17:22 in Unnamed Road, Bukit Bendera, Pulau Pinang, Malaysia.