Maccaffertium mediopunctatum
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Ephemeroptera
- family: Heptageniidae
- genus: Maccaffertium
- species: Maccaffertium mediopunctatum
- Oakville
Ontario
Canada- West Concord
Massachusetts- Cayuga Heights
- East Ithaca
- Ithaca
- Northeast Ithaca
New York- Asheville
North Carolina
United States