Genophantis iodora is a moth of the Pyralidae family. It is endemic to Kauai, Oahu, Molokai and Hawaii. The wingspan is 22–27 mm. Adults are variable in color and pattern. In some examples, the hind wing has a small cell formed by a crossvein. The larvae feed on Euphorbia celastroides and Euphorbia clusiaefolia. They web together the leaves of their hostplant.