Thoressa masoni
| Thoressa masoni | |
|---|---|
| Plate accompanying the original description | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Hesperiidae |
| Genus: | Thoressa |
| Species: | T. masoni |
| Binomial name | |
| Thoressa masoni (Moore, [1879]) | |
Thoressa masoni, or Mason's ace is a butterfly in the family Hesperiidae. It was described by Frederic Moore in 1879. It is found in the Indomalayan realm in Burma, Thailand, Laos and Vietnam.