Callibaetis pretiosus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Ephemeroptera
- family: Baetidae
- genus: Callibaetis
- species: Callibaetis pretiosus
Tallahassee
Florida- Mellwood
Maryland- Greenfield
- Paxton
- West Concord
Massachusetts- Clementon
New Jersey- Jackson
Tennessee- Denton
Texas
United States