Eudonia trivirgatus

Eudonia trivirgatus is a moth in the Crambidae family. It was described by C. Felder, R. Felder and Rogenhofer in 1875. It is found in New Zealand.

The wingspan is 16–23 mm. The forewings are whitish-ochreous, the veins lined with white. There is a blackish-fuscous median streak from the base to the apex, interrupted by a narrow bar before the middle. There is also a blackish-fuscous longitudinal wedge-shaped mark above the anal angle and usually a hindmarginal row of cloudy blackish dots. The hindwings are grey-whitish in males and whitish-grey in females. Adults have been recorded on wing in December, February and March.