Hyposmocoma lignivora is a species of moth of the family Cosmopterigidae. It was first described by Arthur Gardiner Butler in 1879. It is endemic to the Hawaiian islands of Oahu and Molokai. This is a common and widely distributed moth on Oahu.
This was the first endemic species of Hawaiian microlepidoptera to be described.
. Elwood Zimmerman . 1978 . Insects of Hawaii . 9 Microlepidoptera . The University Press of Hawaii, Honolulu. 10125/7338 .