Eudonia atmogramma is a moth in the Crambidae family. It was described by Meyrick in 1915. It is found in New Zealand. The wingspan is 23–24 mm. The forewings are ochreous-grey, usually suffused with whitish on the veins. The interneural spaces are suffusedly sprinkled with dark fuscous. The hindwings are light grey, but paler towards the base. Adults have been recorded on wing in September.