Hyposmocoma partita is a species of moth of the family Cosmopterigidae. It was first described by Lord Walsingham in 1907. It is endemic to the island of Hawaii. The type locality is Hilo, where it was collected at an elevation of 2000feet.
The larva is probably a case maker.
. Elwood Zimmerman . 1978 . Insects of Hawaii . 9 Microlepidoptera . The University Press of Hawaii, Honolulu. 10125/7338 .