Ethmia epitrocha is a moth in the Depressariidae family. It is found in Japan, China, and Taiwan. The wingspan is 20–22 mm for males and 22-25 for females. The forewings are overlaid with black markings on a white background, consisting mostly of elongate, rather big black patches. The hindwings are grey without costal brushes. Adults are on wing from March to September. The larvae feed on Ehretia acuminata.