Crambus bigelovi is a moth in the Crambidae family. It was described by Klots in 1967. It is found in North America, where it has been recorded from New Mexico and Wyoming.
The length of the forewings is about 12 mm for males and 11 mm for females. The ground colour of the forewings is brown with a brassy luster. The hindwings are pale brownish white.
Crambus bigelovi Wikipedia
The species is named for David Bigelow of the Buffalo Museum of Science.