Papilio nephelus
| Papilio nephelus | |
|---|---|
| P. n. chaon at Jayanti in Buxa Tiger Reserve in Jalpaiguri district of West Bengal, India | |
| Yellow Helen (P. n. chaon) | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Papilionidae |
| Genus: | Papilio |
| Species: | P. nephelus |
| Binomial name | |
| Papilio nephelus Boisduval, 1836 | |
| Subspecies | |
|
10, see text | |
| Synonyms | |
|
Princeps nephelus | |
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.