| No. of Sites |
Class | Order | Family | Genus | Species | Subspecies | Common Name |
Where for All Dates? | Phenology |
|---|---|---|---|---|---|---|---|---|---|
| 142 | Insecta | Ephemeroptera | Heptageniidae | Epeorus | dispar | - | Flat-headed mayfly | Here | Phenology |
| 120 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | pudicum | - | Flat-headed mayfly | Here | Phenology |
| 102 | Insecta | Ephemeroptera | Heptageniidae | Leucrocuta | species ** | - | (NA) | Here | Phenology |
| 78 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | species ** | - | (NA) | Here | Phenology |
| 65 | Insecta | Ephemeroptera | Heptageniidae | Epeorus | pleuralis | - | Flat-headed mayfly | Here | Phenology |
| 65 | Insecta | Ephemeroptera | Heptageniidae | Stenacron | carolina | - | Flat-headed mayfly | Here | Phenology |
| 64 | Insecta | Ephemeroptera | Heptageniidae | Stenacron | pallidum | - | Flat-headed mayfly | Here | Phenology |
| 57 | Insecta | Ephemeroptera | Heptageniidae | Epeorus | rubidus/subpallidus | - | Flat-headed mayfly | Here | Phenology |
| 52 | Insecta | Ephemeroptera | Heptageniidae | Heptagenia | species ** | - | (NA) | Here | Phenology |
| 52 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | modestum | - | Flat-headed mayfly | Here | Phenology |
| 50 | Insecta | Ephemeroptera | Heptageniidae | Epeorus | species ** | - | (NA) | Here | Phenology |
| 48 | Insecta | Ephemeroptera | Heptageniidae | Leucrocuta | thetis | - | Flat-headed mayfly | Here | Phenology |
| 46 | Insecta | Ephemeroptera | Heptageniidae | Cinygmula | subaequalis | - | Flat-headed mayfly | Here | Phenology |
| 46 | Insecta | Ephemeroptera | Heptageniidae | Rhithrogena | species ** | - | (NA) | Here | Phenology |
| 40 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | meririvulanum | - | Flat-headed mayfly | Here | Phenology |
| 38 | Insecta | Ephemeroptera | Heptageniidae | Stenacron | interpunctatum | - | Flat-headed mayfly | Here | Phenology |
| 34 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | carlsoni | - | Flat-headed mayfly | Here | Phenology |
| 34 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | ithaca | - | Flat-headed mayfly | Here | Phenology |
| 33 | Insecta | Ephemeroptera | Heptageniidae | Epeorus | rubidus | - | Flat-headed mayfly | Here | Phenology |
| 33 | Insecta | Ephemeroptera | Heptageniidae | Leucrocuta | juno | - | Flat-headed mayfly | Here | Phenology |
| 32 | Insecta | Ephemeroptera | Heptageniidae | Stenacron | species ** | - | (NA) | Here | Phenology |
| 28 | Insecta | Ephemeroptera | Heptageniidae | Heptagenia | julia | - | Flat-headed mayfly | Here | Phenology |
| 27 | Insecta | Ephemeroptera | Heptageniidae | Rhithrogena | fuscifrons | - | Flat-headed mayfly | Here | Phenology |
| 23 | Insecta | Ephemeroptera | Heptageniidae | Leucrocuta | aphrodite | - | Flat-headed mayfly | Here | Phenology |
| 22 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | terminatum | terminatum | Flat-headed mayfly | Here | Phenology |
| 21 | Insecta | Ephemeroptera | Heptageniidae | Epeorus | vitreus | - | Flat-headed mayfly | Here | Phenology |
| 20 | Insecta | Ephemeroptera | Heptageniidae | Rhithrogena | amica | - | Flat-headed mayfly | Here | Phenology |
| 19 | Insecta | Ephemeroptera | Heptageniidae | Rhithrogena | exilis | - | Flat-headed mayfly | Here | Phenology |
| 17 | Insecta | Ephemeroptera | Heptageniidae | Stenonema | species ** | - | (NA) | Here | Phenology |
| 16 | Insecta | Ephemeroptera | Heptageniidae | Leucrocuta | maculipennis | - | Flat-headed mayfly | Here | Phenology |
| 14 | Insecta | Ephemeroptera | Heptageniidae | Rhithrogena | uhari | - | Flat-headed mayfly | Here | Phenology |
| 12 | Insecta | Ephemeroptera | Heptageniidae | Heptagenia | marginalis | - | Flat-headed mayfly | Here | Phenology |
| 11 | Insecta | Ephemeroptera | Heptageniidae | Heptageniidae_genus * | species ** | - | (NA) | Here | Phenology |
| 7 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | vicarium | - | Flat-headed mayfly | Here | Phenology |
| 7 | Insecta | Ephemeroptera | Heptageniidae | Nixe | species ** | - | (NA) | Here | Phenology |
| 5 | Insecta | Ephemeroptera | Heptageniidae | Leucrocuta | hebe | - | Flat-headed mayfly | Here | Phenology |
| 5 | Insecta | Ephemeroptera | Heptageniidae | Stenonema | femoratum | - | Flat-headed mayfly | Here | Phenology |
| 5 | Insecta | Ephemeroptera | Heptageniidae | Stenonema | ithaca | - | Flat-headed mayfly | Here | Phenology |
| 4 | Insecta | Ephemeroptera | Heptageniidae | Epeorus | fragilis | - | Flat-headed mayfly | Here | Phenology |
| 4 | Insecta | Ephemeroptera | Heptageniidae | Rhithrogena | fasciata | - | Flat-headed mayfly | Here | Phenology |
| 3 | Insecta | Ephemeroptera | Heptageniidae | Epeorus | subpallidus | - | Flat-headed mayfly | Here | Phenology |
| 3 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | sinclairi | - | Flat-headed mayfly | Here | Phenology |
| 3 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | terminatum | - | Flat-headed mayfly | Here | Phenology |
| 2 | Insecta | Ephemeroptera | Heptageniidae | Heptagenia | maculipennis | - | Flat-headed mayfly | Here | Phenology |
| 2 | Insecta | Ephemeroptera | Heptageniidae | Leucrocuta | species A | - | Flat-headed mayfly | Here | Phenology |
| 2 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | bednariki | - | Flat-headed mayfly | Here | Phenology |
| 2 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | mediopunctatum | mediopunctatum | Flat-headed mayfly | Here | Phenology |
| 2 | Insecta | Ephemeroptera | Heptageniidae | Stenacron | candidum | - | Flat-headed mayfly | Here | Phenology |
| 2 | Insecta | Ephemeroptera | Heptageniidae | Stenonema | pudicum | - | Flat-headed mayfly | Here | Phenology |
| 1 | Insecta | Ephemeroptera | Heptageniidae | Cinygmula | species ** | - | (NA) | Here | Phenology |
| 1 | Insecta | Ephemeroptera | Heptageniidae | Heptagenia | adaequata | - | Flat-headed mayfly | Here | Phenology |
| 1 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | mediopunctatum | arwini | Flat-headed mayfly | Here | Phenology |
| 1 | Insecta | Ephemeroptera | Heptageniidae | Maccaffertium | mediopunctatum | - | Flat-headed mayfly | Here | Phenology |
| 1 | Insecta | Ephemeroptera | Heptageniidae | Rhithrogena | anomala | - | Flat-headed mayfly | Here | Phenology |
| 1 | Insecta | Ephemeroptera | Heptageniidae | Rhithrogena | n species | - | Flat-headed mayfly | Here | Phenology |
| 1 | Insecta | Ephemeroptera | Heptageniidae | Rhithrogena/Epeorus | species ** | - | (NA) | Here | Phenology |
| 1 | Insecta | Ephemeroptera | Heptageniidae | Stenonema | carlsoni | - | Flat-headed mayfly | Here | Phenology |
| 1 | Insecta | Ephemeroptera | Heptageniidae | Stenonema | sinclairi | - | Flat-headed mayfly | Here | Phenology |