Eudonia leucogramma is a moth in the Crambidae family. It was described by Meyrick in 1884. It is found in New Zealand. The wingspan is about 21 mm. The forewings are blackish-fuscous, with some white scales. The first line is white, as is the second line. The hindwings of the males are light grey with a darker hindmargin. Females have dark fuscous-grey hindwings. Adults have been recorded on wing in January.