| American Blue Dun | | Paraleptophlebia adoptiva, Paraleptophlebia praepedita |
| Angler's Curse | | Caenis sp., Tricorythodes sp. |
| American Iron-Blue Dun | | Paraleptophlebia mollis |
| Beaverkill | | Ephemerella subvaria |
| Borcher Drake | | Ephemerella subvaria (female) |
| Blue Dun | | Paraleptophlebia adoptiva, Paraleptophlebia debilis, Paraleptophlebia bicornuta, Leptophlebia cupida, Leptophlebia johnsoni, Baetis sp. |
| Blue Quill | | Paraleptophlebia sp., Leptophlebia johnsoni, Epeorus pleuralis |
| Blue-Winged Olive Dun | | Baetis sp., Attenella attenuata, Drunella cornuta, Drunella cornutella, Drunella lata, Drunella walkeri, Drunella longicornis, Drunella flavilinea, Acerpenna carolina, Centroptilum sp., Ephemerella excrucians, Timpanoga simplex |
| Blue-Winged Red Quill | | Ephemerella needhami |
| Brown Drake | | Ephemera simulans, Litobrancha recurvata |
| B.W.O. | | Baetis sp., Attenella attenuata, Drunella cornuta, Drunella cornutella, Drunella lata, Drunella walkeri, Drunella longicornis, Drunella flavilinea, Acerpenna carolina, Centroptilum sp., Ephemerella excrucians, Timpanoga simplex |
| Cahill | | Stenonema sp., Stenacron sp. |
| Chocolate Dun | | Ephemera simulans, Ephemerella invaria, Ephemerella dorothea, Ephemerella needhami, Eurylophella bicolor |
| Cream Cahill | | Stenonema sp. |
| Cream May | | Stenonema sp., Stenacron sp. |
| Cream Variant | | Anthopotamus distinctus, Epeorus vitreus, Ephemera varia, Serratella deficiens, Ephemerella dorothea, Paraleptophlebia sp. |
| Dark Blue Quill | | Paraleptophlebia sp., Serratella deficiens |
| Dark Blue-Winged Olive Dun | | Baetis flavistriga, Attenella attenuata |
| Dark Gray-Winged Olive Dun | | Baetis flavistriga |
| Dark Hendrickson | | Ephemerella subvaria (female), Ephemerella rotunda, Ephemerella invaria, Ephemerella needhami, Ephemerella excrucians, Serratella deficiens |
| Dark Olive Brown Spinner | | Baetis flavistriga, Timpanoga simplex |
| Dark Red Quill | | Ephemerella rotunda, Isonychia bicolor, Cinygmula ramaleyi, Rhithrogena impersonata, Rhithrogena jejuna, Rhithrogena undulata, Attenella attenuata |
| Dark Brown Spinner | | Paraleptophlebia sp. (female spinner), Serratella tibialis, Tricorythodes stygiatus (male spinner), Tricorythodes allectus (male spinner), Tricorythodes minutus (female spinner), Diphetor hageni, Ameletus cooki, Drunella coloradensis |
| Dun Variant | | Isonychia bicolor, Attenella attenuata |
| Giant Mahogany Dun | | Isonychia bicolor |
| Giant Michigan Mayfly | | Hexagenia limbata |
| Gray-Winged Yellow Quill | | Epeorus vitreus Leucrocuta hebe |
| Great Lead-Winged Coachman | | Isonychia sp. |
| Great Lead-Winged Drake | | Hexagenia limbata, Hexagenia atrocaudata |
| Great Olive-Winged Drake | | Hexagenia limbata, Hexagenia rigida |
| Great Olive-Winged Spinner | | Hexagenia limbata |
| Great Red Spinner | | Ephemera simulans (spinner), Isonychia bicolor (spinner), Stenonema vicarium, Drunella grandis, Drunella doddsi |
| Hendrickson | | Ephemerella subvaria (female), Ephemerella rotunda, Ephemerella invaria |
| Iron Blue Dun | | Paraleptophlebia adoptiva, Leptophlebia cupida, Leptophlebia johnsoni |
| Iron Blue Quill | | Baetis tricaudatus, Diphetor hageni, Labiobaetis propinquus |
| Jenny Spinner | | Paraleptophlebia sp. (male spinner), Leptophlebia johnsoni (male spinner), Procloeon album, Procloeon rufostrigatum, Procloeon walshi, Procloeon convexum |
| Lady Beaverkill | | Ephemerella subvaria, Ephemerella rotunda, Ephemerella invaria |
| Large Mahogany Dun | | Isonychia bicolor |
| Leadwing | | Isonychia sp. |
| Leadwing Coachman | | Isonychia sp. |
| Light Blue Dun | | Baetis tricaudatus |
| Light Cahill | | Stenonema canadense, Stenonema sp., Stenonema sp., Cinygma dimicki, Epeorus vitreus (male) |
| Light Hendrickson | | Ephemerella subvaria (male), Ephemerella rotunda, Ephemerella invaria |
| Light Rusty Spinner | | Baetis bicaudatus (spinner) Baetis tricaudatus (spinner) |
| Little Blue-Winged Olive | | Baetis sp., Attenella margarita |
| Little Brown Quill | | Baetis sp. |
| Little Dark Hendrickson | | Ephemerella needhami, Serratella serrata, Serratella deficiens |
| Little Iron Blue Quill | | Baetis sp., Baetis tricaudatus, Diphetor hageni, Labiobaetis propinquus, Labiobaetis sp. |
| Little Maryatt | | Ephemerella rotunda, Ephemerella invaria, Ephemerella dorothea, Epeorus sp. |
| Little Slate-Winged Brown Quill | | Baetis flavistriga, Acerpenna carolina, Baetis intercalaris, Baetis dubium, Baetis brunneicolor |
| Little White Mayfly | | Caenis sp. |
| Little Yellow Quill | | Leucrocuta hebe |
| Mahogany Dun | | Paraleptophlebia adoptiva, Paraleptophlebia debilis, Isonychia bicolor |
| March Brown | | Stenonema vicarium, Heptagenia pulla, Ephemera simulans |
| Michigan Caddis | | Hexagenia limbata |
| Michigan Spinner | | Hexagenia limbata (spinner) |
| Olive Quill | | Serratella serrata, Ephemerella excrucians |
| Pale Evening Dun | | Heptagenia elegantula, Ephemerella rotunda, Ephemerella invaria, Ephemerella dorothea, Epeorus vitreus, Leucrocuta aphrodite, Leucrocuta hebe |
| Pale Evening Spinner | | Heptagenia sp., Ephemerella rotunda, Ephemerella invaria, Ephemerella dorothea |
| Pale Olive Dun | | Baetis bicaudatus, Tricorythodes minutus, Tricorythodes allectus, Tricorythodes stygiatus |
| Pale Sulphur Dun | | Epeorus vitreus, Stenonema ithaca, Ephemerella dorothea, Ephemera varia |
| Pale Watery Dun | | Ephemerella dorothea, Procloeon album |
| Paralep | | Paraleptophlebia sp. |
| Pink Cahill | | Stenacron interpunctatum (female), Epeorus vitreus (female) |
| Red Quill | | Paraleptophlebia adoptiva, Ephemerella subvaria (male dun), Ephemerella rotunda, Ephemerella invaria, Rhithrogena impersonata, Rhithrogena jejuna, Rhithrogena undulata, Serratella tibialis |
| Rusty Spinner | | Baetis sp. Ephemerella infrequens |
| Slate Drake | | Isonychia sp., Drunella walkeri |
| Slate-Winged Mahogany Dun | | Paraleptophlebia sp. |
| Small Blue-Winged Olive Dun | | Timpanoga simplex |
| Small Gray-Winged Yellow Quill | | Leucrocuta hebe |
| Speckle-Winged Dun | | Callibaetis sp., Baetisca laurentina |
| Sulphur Dun | | Ephemerella rotunda, Ephemerella invaria, Ephemerella dorothea, Epeorus vitreus |
| Tiny White-Winged Black | | Tricorythodes sp. |
| Trico | | Tricorythodes sp. |
| White Drake | | Ephoron album, Ephoron leukon |
| White Fly | | Ephoron album, Ephoron leukon |
| White-Gloved Howdy | | Isonychia sp., Serratella tibialis |
| White-Winged Sulphur Dun | | Caenis sp. |
| Yellow Dun | | Ephemerella rotunda, Ephemerella invaria, Ephemera varia, Stenacron sp. |
Mosche 
