Donacaula longirostrallus, the long-beaked donacaula moth, is a moth in the family Crambidae.

[1] It is found in North America, where it has been recorded from Nova Scotia, Ontario, Quebec, Alabama, Arkansas, Connecticut, Florida, Louisiana, Maine, Massachusetts, Michigan, Mississippi, Nebraska, New Jersey, New York, North Carolina, Pennsylvania, Texas, Vermont and Virginia.

The length of the forewings is 22–28 mm.

[2] Adults have been recorded on wing from May to September.

This Schoenobiinae-related article is a stub.