Erynnis persius
| Persius duskywing | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | Insecta | 
| Order: | Lepidoptera | 
| Family: | Hesperiidae | 
| Genus: | Erynnis | 
| Species: | E. persius  | 
| Binomial name | |
| Erynnis persius Scudder(1863)  | |
Erynnis persius, commonly known as Persius duskywing, is a species of butterfly in the family Hesperiidae that occurs in North America. The eastern subspecies Erynnis persius persius is rarer and protected by law in some regions.