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Mayflies on Wisconsin's Natural Heritage Working List – last revised May 2016. Life history, where they are found in the state, photos and management information is available for many of these species. Please consider sharing your observations [exit DNR] with the Wisconsin Natural Heritage Inventory
| Scientific Name | Common Name | Global Rank |
State Rank |
Federal Status |
WI Status |
WWAP | Mapped in NHI |
|---|---|---|---|---|---|---|---|
| Acanthametropus pecatonica | Pecatonica River Mayfly | G2G4 | S1 | END | SGCN | Y | |
| Ameletus lineatus | A Mayfly | G5 | S2S3 | SC/N | SGCN | Y | |
| Ameletus subnotatus | A Mayfly | G5 | SU | r-SIN | N | ||
| Cercobrachys fox | Fox Small Square-gilled Mayfly | G3G4 | S2S3 | SC/N | SGCN | Y | |
| Cercobrachys lilliei | Wisconsin Small Square-gilled Mayfly | G2 | S1S2 | SC/N | SGCN | Y | |
| Cercobrachys winnebago | Winnebago Small Square-gilled Mayfly | G3G4 | S1S2 | SC/N | SGCN | Y | |
| Dolania americana | American Sand Burrowing Mayfly | G4 | S1S2 | SC/N | SGCN | Y | |
| Drunella cornuta | A Spiny Crawler Mayfly | G5 | S2S3 | SC/N | SGCN | Y | |
| Eurylophella aestiva | A Spiny Crawler Mayfly | G5 | S2S3 | SC/N | SGCN | Y | |
| Homoeoneuria ammophila | A Brush-legged Mayfly | G4 | S2 | SC/N | SGCN | Y | |
| Maccaffertium pulchellum | A Flat-headed Mayfly | G5 | S2S4 | SC/N | SGCN | Y | |
| Macdunnoa persimplex | A Flat-headed Mayfly | G4 | S1S2 | SC/N | SGCN | Y | |
| Metretopus borealis | A Cleft-footed Minnow Mayfly | G5 | S1S2 | SC/N | SGCN | Y | |
| Neoephemera bicolor | A Large Square-gilled Mayfly | G1G2 | S1S2 | SC/N | SGCN | Y | |
| Nixe inconspicua | A Flat-headed Mayfly | G5 | SU | r-SIN | N | ||
| Paracloeodes minutus | A Small Minnow Mayfly | G5 | S1S2 | SC/N | SGCN | Y | |
| Pentagenia vittigera | A Common Burrower Mayfly | G5 | S2S3 | SC/N | SGCN | Y | |
| Plauditus cestus | A Small Minnow Mayfly | G5 | S2S3 | SC/N | SGCN | Y | |
| Rhithrogena undulata | A Flat-headed Mayfly | G4Q | S2S3 | SC/N | SGCN | Y | |
| Sparbarus lacustris | A Small Square-gilled Mayfly | G4 | SU | r-SIN | N | ||
| Sparbarus maculatus | A Small Square-gilled Mayfly | G5 | SU | r-SIN | N | ||
| Sparbarus nasutus | A Small Square-gilled Mayfly | G3G4 | SU | r-SIN | N | ||
| Spinadis simplex | A Flat-headed Mayfly | G2G4 | S1 | END | SGCN | Y |
Rank and status: To learn more about species rank and status, see the working list key. WWAP: (Wisconsin Wildlife Action Plan): SGCN (Species of Greatest Conservation Need) and monitoring and ranking SIN (Species with Information Needs). Mapped in NHI: (Natural Heritage Inventory): Y = Observations of these species are mapped into the NHI database.