| Genus | Species | Subspecies | Author | Common Name | Last Sampled | Last Collectors | Where for All Dates? |
|---|---|---|---|---|---|---|---|
| Didymops | transversa | - | (Say 1839) | Stream cruiser | 2005-05-04 | KRLangdon & BNichols | Here |
| Macromia | alleghaniensis | - | Williamson 1909 | Allegheny river cruiser | 2012-06-29 | KRLangdon | Here |
| Macromia | illinoiensis | - | Walsh 1862 | Illinois river cruiser | 2001-07-01 | I & M Aquatics Crew | Here |
| Macromia | margarita | - | Mountain river cruiser | 2003-07-16 | I & M Aquatics Crew | Here | |
| Macromia | species ** | - | (NA) | 2012-06-29 | KRLangdon | Here | |
| Macromia | taeniolata | - | Rambur 1842 | Royal river cruiser | 2000-08-21 | I & M Aquatics Crew | Here |
| Total Number of Species = 5 | |||||||