| Cercyonis oetus | |
|---|---|
| Cercyonis oetus silvestris | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Nymphalidae |
| Genus: | Cercyonis |
| Species: | C. oetus |
| Binomial name | |
| Cercyonis oetus (Boisduval, 1869) | |
| Synonyms | |
| |
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Cercyonis oetus, the small wood-nymph or dark wood-nymph, is a butterfly of the family Nymphalidae. It is found in western North America.
The wingspan is 32–45 mm. Adults are on wing from June to August in one generation.
The larvae feed on various grasses.