| Mayflies | Ephemeroptera Mayflies Heptageniidae | |
 |  |  |
| Heptagenia diabasia | Heptagenia diabasia (ventral) | Maccaffertium exiguum |
 |  |  |
| Maccaffertium mediopunctatum (dorsal) | Maccaffertium mediopunctatum (ventral) | Maccaffertium vicarium |
 |  | |
| Maccaffertium vicarium | Stenacron interpunctatum | |