Merimnetria compsodelta is a moth of the family Gelechiidae. It was first described by Edward Meyrick in 1928. It is endemic to the Hawaiian island of Oahu.
The larvae feed on Kadua acuminata capsules.
. Elwood Zimmerman . 1978 . Insects of Hawaii . 9 Microlepidoptera . The University Press of Hawaii, Honolulu. 10125/7338 .