Rapala varuna
| Indigo flash | |
|---|---|
| male (upper side) | |
| male (underside) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | Insecta | 
| Order: | Lepidoptera | 
| Family: | Lycaenidae | 
| Genus: | Rapala | 
| Species: | R. varuna  | 
| Binomial name | |
| Rapala varuna (Hewitson, 1863)  | |
Rapala varuna, the indigo flash, is a species of lycaenid or blue butterfly found in the Indomalayan realm and the Australasian realm.