Hyposmocoma dorsella is a species of moth of the family Cosmopterigidae. It is endemic to the Hawaiian island of Oahu. It was first described by Lord Walsingham in 1907. The type locality is the Waianae Range, where it was collected at an elevation of 3000feet.
. Elwood Zimmerman . 1978 . Insects of Hawaii . 9 Microlepidoptera . The University Press of Hawaii, Honolulu. 10125/7338 .