Donacaula pallulellus is a moth in the family Crambidae.

It was described by William Barnes and James Halliday McDunnough in 1912.

[1] It is found in North America, where it has been recorded from Alabama, Arizona, California, New York and Texas.

The length of the forewings is 20–30 mm.

[2] Adults have been recorded on wing from June to July and in September.