Izatha huttonii is a moth of the Oecophoridae family. It is endemic to New Zealand, where it is known from the South Island, Stewart Island, and the Wellington district of the North Island. The wingspan is 18–25 mm for males and 20–29 mm for females. Adults are on wing from November to March. Larvae have been recorded feeding on dead branches of Aristotelia serrata. The only other definite host is Coprosma robusta. The larva is full fed in November, and pupates in the wood without making a cocoon.