Ethmia minuta is a moth in the family Depressariidae. It is found in California, United States.
The length of the forewings is . The ground color of the forewings is black, reflecting shining bronzy, indistinctly mottled by scattered whitish scales in the distal one-third. The ground color of the hindwings is white, with a narrow blackish area around the apex.[1]
The larvae feed on Cryptantha intermedia. They feed inside the buds of their host plant. First instar larvae feed at the sides of developing ovules.[2]