Ethmia powelli was created in 1988.
Nepotilla powelli was created in 1956.
Eucalantica powelli was created in 2011.
Greya powelli was created in 1992.
Hellinsia powelli was created in 1996.
Ethmia hammella was created in 1910.
Ethmia cubensis was created in 1934.
Ethmia pala was created in 1973.
Ethmia hemicosma was created in 1920.
Ethmia dentata was created in 1966.
Ethmia novoryella was created in 1976.
Ethmia longimaculella was created in 1872.
Ethmia bipunctella was created in 1775.