Merimnetria arcuata

Merimnetria arcuata is a moth of the Gelechiidae family. It is endemic to Oahu, Hawaii.

The wingspan is about 12 mm. The forewings are whitish ocherous, gradually suffused from one-third with dull olive-brown, leaving a tornal, and a smaller opposite costal patch of the pale ground color. There is a minute dark spot is visible in the fold a little beyond its middle. The hindwings are brownish gray.

The larvae feed on Kadua species. They mine the leaves of their host plant.