Callibaetis fluctuans
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Ephemeroptera
- family: Baetidae
- genus: Callibaetis
- species: Callibaetis fluctuans
Glen Ellyn- Wheaton
Illinois- Creve Coeur
Missouri- East Brunswick
- South River
New Jersey- Laurens
South Carolina- Mantua
Virginia- Madison
Wisconsin
United States