Donacaula unipunctellus

Donacaula unipunctellus is a moth in the Crambidae family. It was described by Robinson in 1870. It is found in North America, where it has been recorded from Nova Scotia, Alabama, Florida, Georgia, Louisiana, Maine, Mississippi, New Jersey, New York, North Carolina, South Carolina, Texas, Utah and Virginia.

The length of the forewings is 17–30 mm. The forewings are light brown, irrorated with brown and with a large black spot in the distal area. The hindwings are yellowish white, turning yellowish grey toward the outer margin in males. Adults have been recorded on wing nearly year round in the southern part of the range.