Blepharomastix ranalis, the hollow-spotted blepharomastix moth, is a species of grass moth of the family Crambidae found in the eastern and southern United States, and Mexico.

Wings have a pale, tan ground color interrupted by dark brown antemedial, postmedial, and dashed terminal lines.

The postmedial line of the forewing turns sharply toward the median area and again toward the inner margin.

The species' occurrence range extends from Arizona, Oklahoma, and Wisconsin in the west to Florida, New Hampshire, and Quebec in the east.

[1][2][3] Adults have been reported from March to October, with most sightings from April to August.