Hileithia differentialis is a species of moth in the family Crambidae.

[1] It is found in the US states of Florida and Texas[2] and from the West Indies to Central America (including Panama).

The forewings are pale straw yellow with small costal dots.

[3] Adults have been recorded on wing from March to April and from July to December in Florida.

The larvae feed on Blechum brownei and Baccharis species.