Merimnetria notata is a moth of the Gelechiidae family. It is endemic to Molokai, Hawaii. The wingspan is about 14 mm. The forewings are whitish ocherous with a small blackish spot at the extreme base of the costa, a larger diffused spot on the fold near its base, a triangular costal patch before the middle, its apex reaching to the fold, a patch at the end of the cell and a smaller one on the costa before the apex with a series of almost connected blackish spots in the whitish ocherous terminal and costal cilia. The hindwings are pale rosy gray.