Mayfly
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Ephemeroptera
- family: Ephemeridae
- genus: Hexagenia
- species: Hexagenia limbata
Saint-Jérôme
Quebec
Canada
Greenwood
Arkansas- Nevada
Iowa- Bath
Maine- Accokeek
Maryland- Greenfield
- West Concord
Massachusetts- Brentwood
New Hampshire- Yanceyville
North Carolina- Fairview
- Wood Village
Oregon- Fayetteville
- Jackson
Tennessee- Dublin
Virginia
United States