Nascia acutellus, the streaked orange moth, is a moth in the family Crambidae. It was described by Francis Walker in 1866.[1] It is found in North America, where it has been recorded from Nova Scotia to Florida, west to Texas and north to Nebraska, Michigan and Ontario. It was also reported from Colorado.[2] The habitat consists of wet grassy areas with sedges.
The wingspan is about 22 mm. Adults are on wing from May to August.
The larvae probably feed on Cyperaceae species.[3]