Donacaula maximellus

Donacaula maximellus is a moth in the Crambidae family. It was described by Fernald in 1891. It is found in North America, where it has been recorded from Florida, Georgia, Louisiana, Mississippi, Nebraska, North Carolina and South Carolina.

The length of the forewings is 32–58 mm. The forewings of the males are pale yellow, irrorated with brown. The female forewings are yellow irrorated with brown. The hindwings are yellowish white irrorated with brown for males and yellowish white, irrorated with pale yellow for females. Adults have been recorded year round.

Larvae have been recorded feeding on Zizaniopsis miliacea.