Ethmia powelli was created in 1988.
Greya powelli was created in 1992.
Eucalantica powelli was created in 2011.
Hellinsia powelli was created in 1996.
Nepotilla powelli was created in 1956.
Ethmia nivosella was created in 1864.
Ethmia praeclara was created in 1910.
Ethmia aurifluella was created in 1810.
Ethmia baliostola was created in 1912.
Ethmia coquillettella was created in 1907.
Ethmia ungulatella was created in 1914.
Ethmia phylacis was created in 1912.
Ethmia sibirica was created in 1975.