Ethmia baja is a moth in the Depressariidae family. It is found in the Cape District ofBaja California, Mexico. The length of the forewings is 5.7–8 mm.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0