Ethmia thomaswitti is a moth in the family Depressariidae. It was described by Andras Kun in 2004. It is found on Sulawesi in Indonesia. The habitat consists of lowland rain forests and lower montane forests.

Etymology The species is named for Thomas Witt.Acta Zoologica Academiae Scientiarum Hungaricae. (2004). 50 (4): 337–351.

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