Pterotosoma castanea is a species of moth of the family Uraniidae. It is found in the north-eastern Himalaya, Taiwan and Borneo.
Subspecies
- Pterotosoma castanea castanea (north-eastern Himalaya, Taiwan)
- Pterotosoma castanea kinabalua <small>(Holloway, 1976)</small> (Borneo)
References