Papilio arcturus
| Blue peacock | |
|---|---|
| Male upperside / underside (label wrong) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | Insecta | 
| Order: | Lepidoptera | 
| Family: | Papilionidae | 
| Genus: | Papilio | 
| Species: | P. arcturus  | 
| Binomial name | |
| Papilio arcturus Westwood, 1842  | |
| Synonyms | |
| 
 Princeps arcturus  | |
Papilio arcturus, the blue peacock, is a species of swallowtail butterfly found in the Indian subcontinent.