Eudonia schwarzalis is a moth in the family Crambidae. It was described by Harrison Gray Dyar Jr. in 1906.[1] It is found in North America, where it has been recorded from Arizona.[2]
The wingspan is about . The forewings are light gray, with a dark base and a dark shade beyond the pale inner line, enclosing a quadrate black reniform spot. The hindwings are pale gray. Adults have been recorded on wing in May.[3]