| Genus | Species | Subspecies | Author | Common Name | Last Sampled | Last Collectors | Where for All Dates? |
|---|---|---|---|---|---|---|---|
| Acentrella | alachua | - | (Berner, 1940) | Small minnow mayfly | 1994-06-17 | DAEtnier | Here |
| Acentrella | ampla | - | Traver 1932 | Small minnow mayfly | 2001-05-17 | CD & RPRandolph & LMJacobus | Here |
| Acentrella | barbarae | - | Small minnow mayfly | 2007-05-17 | REDeWalt | Here | |
| Acentrella | femorella | - | Small minnow mayfly | 2009-08-10 | BNichols, CKozmik & CBerg | Here | |
| Acentrella | nadineae | - | Small minnow mayfly | 2011-07-01 | BNichols & LKobelt | Here | |
| Acentrella | parvula | - | (McDunnough 1932) | Small minnow mayfly | 2001-05-18 | CD & RPRandolph & LMJacobus | Here |
| Acentrella | species ** | - | (NA) | 2011-07-01 | BNichols & LKobelt | Here | |
| Acentrella | turbida | - | (McDunnough 1924) | Small minnow mayfly | 2008-07-31 | BNichols, LCarnal & HMcGee | Here |
| Acentrella | turbida A | - | Baetid mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here | |
| Acentrella | turbida B | - | Baetid mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here | |
| Acentrella | turbida C | - | Baetid mayfly | 2007-05-17 | REDeWalt | Here | |
| Acentrella | turbida D | - | Baetid mayfly | 2007-05-16 | REDeWalt & DAEtnier | Here | |
| Acerpenna | macdunnoughi | - | (Ide 1937) | Small minnow mayfly | 2001-07-01 | I & M Aquatics Crew | Here |
| Acerpenna | pygmaea | - | (Hagen 1861) | Small minnow mayfly | 2009-07-28 | BNichols, CKozmik & LCarnal | Here |
| Ameletus | cryptostimulus | - | Carle 1978 | Combmouthed minnow mayfly | 2001-12-07 | LMJacobus & JFMacDonald | Here |
| Ameletus | lineatus | - | Traver 1932 | Combmouthed minnow mayfly | 2001-07-01 | I & M Aquatics Crew | Here |
| Ameletus | species ** | - | (NA) | 2005-05-02 | CRParker & JRobinson | Here | |
| Ameletus | tertius | - | McDunnough 1938 | Combmouthed minnow mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Attenella | attenuata | - | (McDunnough 1925) | Ephemerellid mayfly | 1996-07-11 | I & M Aquatics Crew | Here |
| Attenella | species ** | - | (NA) | 1991-10-27 | DAEtnier | Here | |
| Baetidae_genus * | species ** | - | (NA) | 1994-06-28 | DAEtnier | Here | |
| Baetis | 3-tailed species | - | 3-tailed baetid mayfly species | 1991-09-07 | DAEtnier | Here | |
| Baetis | alachua | - | (Berner 1940) | Baetid mayfly | 1991-09-22 | DAEtnier | Here |
| Baetis | brunneicolor | - | McDunnough 1925 | Baetid mayfly | 2001-07-01 | I & M Aquatics Crew | Here |
| Baetis | flavistriga | - | McDunnough 1921 | Baetid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Baetis | intercalaris | - | McDunnough 1921 | Baetid mayfly | 2011-07-01 | BNichols & LKobelt | Here |
| Baetis | pluto | - | McDunnough 1925 | Baetid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Baetis | species ** | - | (NA) | 2011-06-12 | DAEtnier | Here | |
| Baetis | tricaudatus | - | Dodds 1923 | Baetid mayfly | 2009-06-06 | BNichols, CKozmik & CBerg | Here |
| Baetisca | carolina | - | Traver 1931 | Baetiscid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Baetisca | gibbera | - | Berner 1953 | Baetiscid mayfly | 1997-09-07 | I & M Aquatics Crew | Here |
| Baetisca | species ** | - | (NA) | 2009-06-06 | BNichols, CKozmik & CBerg | Here | |
| Brachycercus | nitidus | - | (Traver 1932) | Candid mayfly | 2011-06-28 | BNichols, LKobelt & AByrum | Here |
| Caenis | anceps | - | Traver 1935 | Caenid mayfly | 2001-07-18 | BDHeinold & SLJohnson | Here |
| Caenis | hilaris | - | (Say 1839) | Caenid mayfly | 1994-09-27 | GSalansky & JLButcher | Here |
| Caenis | latipennis | - | Banks 1907 | Caenid mayfly | 1996-07-23 | I & M Aquatics Crew | Here |
| Caenis | macafferti | - | Provonsha 1990 | Caenid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Caenis | species ** | - | (NA) | 2009-08-10 | BNichols, CKozmik & CBerg | Here | |
| Centroptilum | alamance | - | (Traver 1932) | Baetid mayfly | 1991-05-25 | DAEtnier | Here |
| Centroptilum | species ** | - | (NA) | 2011-06-12 | DAEtnier | Here | |
| Centroptilum | triangulifer | - | (McDunnough 1931) | Baetid mayfly | 2000-08-21 | I & M Aquatics Crew | Here |
| Cinygmula | species ** | - | (NA) | 1991-05-21 | DAEtnier | Here | |
| Cinygmula | subaequalis | - | (Banks 1914) | Flat-headed mayfly | 2007-05-17 | ICStocks & EPT blitz 2 | Here |
| Cloeon | species ** | - | (NA) | 1994-06-06 | NC DEHNR | Here | |
| Dannella | provonshai | - | (McCafferty 1977) | Ephemerellid mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Dannella | simplex | - | (McDunnough, 1925) | (NA) | 1994-06-17 | DAEtnier | Here |
| Dentatella | coxalis | - | (McDunnough 1926) | (NA) | 1991-09-20 | DAEtnier | Here |
| Diphetor | hageni | - | (Eaton 1885) | Baetid mayfly | 2005-07-14 | JVaughn, PMcNichols & PRomeo | Here |
| Drunella | allegheniensis | - | (Traver 1934) | Ephemerellid mayfly | 2009-08-10 | BNichols, CKozmik & CBerg | Here |
| Drunella | conestee | - | (Traver 1932) | Ephemerellid mayfly | 2003-10-07 | I & M Aquatics Crew | Here |
| Drunella | cornuta | - | (Morgan 1911) | Ephemerellid mayfly | 2005-07-14 | JVaughn, PMcNichols & PRomeo | Here |
| Drunella | cornutella | - | (McDunnough 1931) | Ephemerellid mayfly | 2005-08-12 | AC., LKlausmann & NSurrett | Here |
| Drunella | lata | - | (Morgan, 1911) | Ephemerellid mayfly | 2003-07-31 | I & M Aquatics Crew | Here |
| Drunella | longicornis | - | (Traver 1932) | Ephemerellid mayfly | 2001-07-01 | I & M Aquatics Crew | Here |
| Drunella | species ** | - | (NA) | 2001-07-01 | I & M Aquatics Crew | Here | |
| Drunella | tuberculata | - | (Morgan 1911) | Ephemerellid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Drunella | walkeri | - | (Eaton 1884) | Ephemerellid mayfly | 2007-05-17 | REDeWalt | Here |
| Drunella | wayah | - | (Traver 1932) | Ephemerellid mayfly | 1995-06-15 | SJFraley & DAEtnier | Here |
| Epeorus | dispar | - | (Traver 1933) | Flat-headed mayfly | 2007-05-17 | REDeWalt | Here |
| Epeorus | fragilis | - | (Morgan 1911) | Flat-headed mayfly | 2001-12-07 | LMJacobus & JFMacDonald | Here |
| Epeorus | pleuralis | - | (Banks 1910) | Flat-headed mayfly | 2005-06-30 | JVaughn, PMcNichols & PRomeo | Here |
| Epeorus | rubidus | - | (Traver 1933) | Flat-headed mayfly | 2001-12-07 | LMJacobus & JFMacDonald | Here |
| Epeorus | rubidus/subpallidus | - | Flat-headed mayfly | 2011-06-12 | DAEtnier | Here | |
| Epeorus | species ** | - | (NA) | 2011-06-12 | DAEtnier | Here | |
| Epeorus | subpallidus | - | (Traver 1937) | Flat-headed mayfly | 2001-05-18 | CD & RPRandolph & LMJacobus | Here |
| Epeorus | vitreus | - | (Walker 1853) | Flat-headed mayfly | 2011-07-01 | BNichols & LKobelt | Here |
| Ephemera | blanda | - | Traver, 1932 | Burrowing mayfly | 2001-07-01 | I & M Aquatics Crew | Here |
| Ephemera | guttulata | - | Pictet 1843 | Burrowing mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Ephemera | species ** | - | (NA) | 2005-06-27 | JVaughn, PMcNichols & PRomeo | Here | |
| Ephemera | varia | - | Eaton 1883 | Burrowing mayfly | 2003-07-31 | I & M Aquatics Crew | Here |
| Ephemerella | alleni | - | Jensen & Edmunds, 1966 | (NA) | 2003-06-18 | JVaughn, GAngelella & SArbel | Here |
| Ephemerella | catawba | - | Traver 1932 | Ephemerellid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Ephemerella | dorothea | dorothea | Needham 1908 | Ephemerellid mayfly | 2007-05-16 | CRParker | Here |
| Ephemerella | dorothea | - | Ephemerellid mayfly | 1994-06-14 | DAEtnier | Here | |
| Ephemerella | excrucians | - | Walsh 1862 | Ephemerellid mayfly | 2011-06-12 | DAEtnier | Here |
| Ephemerella | hispida | - | Allen & Edmunds 1965 | Ephemerellid mayfly | 2005-06-30 | JVaughn, PMcNichols & PRomeo | Here |
| Ephemerella | invaria | - | (Walker 1853) | Ephemerellid mayfly | 2007-05-18 | LMJacobus | Here |
| Ephemerella | invaria group | - | Ephemerellid mayfly | 1999-08-22 | I & M Aquatics Crew | Here | |
| Ephemerella | rossi | - | Allen & Edmunds 1965 | Ephemerellid mayfly | 2003-07-15 | I & M Aquatics Crew | Here |
| Ephemerella | septentrionalis | - | McDunnough 1925 | Ephemerellid mayfly | 1993-12-15 | SJFraley & DAEtnier | Here |
| Ephemerella | species ** | - | (NA) | 2007-05-17 | ICStocks & EPT blitz 2 | Here | |
| Ephemerella | species A | - | (NA) | 2007-05-16 | ICStocks & EPT blitz 1 | Here | |
| Ephemerella | subvaria | - | McDunnough 1931 | Ephemerellid mayfly | 2001-12-06 | LMJacobus & JFMacDonald | Here |
| Ephemerellidae_genus * | species ** | - | (NA) | 2003-06-25 | I & M Aquatics Crew | Here | |
| Ephemeroptera_genus * | species ** | - | (NA) | 1994-06-03 | DAEtnier | Here | |
| Eurylophella | aestiva | - | (McDunnough 1931) | Ephemerellid mayfly | 2011-06-30 | BNichols, LCollins & AVan Gunst | Here |
| Eurylophella | bicolor | - | (Clemens 1913) | Ephemerellid mayfly | 2007-05-17 | REDeWalt | Here |
| Eurylophella | doris | - | (Traver 1934) | Ephemerellid mayfly | 1994-06-14 | DAEtnier | Here |
| Eurylophella | doris/funeralis | - | (NA) | 1991-09-20 | DAEtnier | Here | |
| Eurylophella | funeralis | - | (McDunnough 1925) | Ephemerellid mayfly | 2003-06-25 | I & M Aquatics Crew | Here |
| Eurylophella | minimella | - | (McDunnough, 1931) | (NA) | 1994-06-15 | DAEtnier | Here |
| Eurylophella | species ** | - | (NA) | 2005-06-30 | JVaughn, PMcNichols & PRomeo | Here | |
| Eurylophella | verisimilis | - | (McDunnough, 1930) | Ephemerellid mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Habrophlebia | vibrans | - | Needham 1907 | Leptophlebiid mayfly | 2007-05-17 | REDeWalt | Here |
| Habrophlebiodes | americana | - | (Banks 1903) | Leptophlebiid mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Habrophlebiodes | species ** | - | (NA) | 2011-06-12 | DAEtnier | Here | |
| Heptagenia | adaequata | - | McDunnough, 1924 | Flat-headed mayfly | 2005-07-14 | JVaughn, PMcNichols & PRomeo | Here |
| Heptagenia | julia | - | Traver, 1933 | Flat-headed mayfly | 2003-08-06 | I & M Aquatics Crew | Here |
| Heptagenia | maculipennis | - | Walsh 1863 | Flat-headed mayfly | 1991-09-20 | DAEtnier | Here |
| Heptagenia | marginalis | - | Banks 1910 | Flat-headed mayfly | 2011-06-30 | BNichols, LCollins & AVan Gunst | Here |
| Heptagenia | species ** | - | (NA) | 2011-06-12 | DAEtnier | Here | |
| Heptageniidae_genus * | species ** | - | (NA) | 2011-06-12 | DAEtnier | Here | |
| Heterocloeon | curiosum | - | (McDunnough, 1923) | Small minnow mayfly | 2011-07-01 | BNichols & LKobelt | Here |
| Heterocloeon | species ** | - | (NA) | 1999-08-05 | I & M Aquatics Crew | Here | |
| Hexagenia | limbata | - | (Serville 1829) | Burrowing mayfly | 1939-08-29 | Rehn & Rehn | Here |
| Hexagenia | species ** | - | (NA) | 2009-08-10 | BNichols, CKozmik & CBerg | Here | |
| Isonychia | arida | - | (Say 1839) | Brushy-legged mayfly | 2009-06-30 | BNichols, CKozmik & CBerg | Here |
| Isonychia | bicolor | - | (Walker 1853) | Brushy-legged mayfly | 2002-06-05 | REDeWalt | Here |
| Isonychia | georgiae | - | McDunnough 1931 | Brushy-legged mayfly | 2001-05-18 | CD & RPRandolph & LMJacobus | Here |
| Isonychia | hoffmani | - | Kondratieff & Voshell 1984 | Brushy-legged mayfly | 2001-07-18 | BDHeinold & SLJohnson | Here |
| Isonychia | rufa | - | McDunnough 1931 | Brushy-legged mayfly | 2001-07-18 | BDHeinold & SLJohnson | Here |
| Isonychia | sayi | - | Burks 1953 | Brushy-legged mayfly | 2001-05-18 | CD & RPRandolph & LMJacobus | Here |
| Isonychia | similis | - | Traver 1932 | Brushy-legged mayfly | 1995-08-24 | CRParker, GSalansky & HSoehn | Here |
| Isonychia | species ** | - | (NA) | 2011-07-01 | BNichols & LKobelt | Here | |
| Isonychia | tusculanensis | - | Berner 1948 | Brushy-legged mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Labiobaetis | propinquus | - | (Walsh 1863) | Baetid mayfly | 1995-06-15 | SJFraley & DAEtnier | Here |
| Leptophlebia | johnsoni | - | McDunnough 1924 | Leptophlebiid mayfly | 2001-05-20 | LMJacobus & BScholtens | Here |
| Leptophlebia | species ** | - | (NA) | 2004-05-11 | AJMayor & CRParker | Here | |
| Leptophlebiidae_genus * | species ** | - | (NA) | 2011-06-12 | DAEtnier | Here | |
| Leucrocuta | aphrodite | - | (McDunnough 1926) | Flat-headed mayfly | 2007-05-17 | REDeWalt | Here |
| Leucrocuta | hebe | - | (McDunnough 1924) | Flat-headed mayfly | 2001-07-01 | I & M Aquatics Crew | Here |
| Leucrocuta | juno | - | (McDunnough, 1924) | Flat-headed mayfly | 2011-06-30 | BNichols, LCollins & AVan Gunst | Here |
| Leucrocuta | maculipennis | - | (Walsh 1863) | Flat-headed mayfly | 2011-06-12 | DAEtnier | Here |
| Leucrocuta | species ** | - | (NA) | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here | |
| Leucrocuta | species A | - | Flat-headed mayfly | 2007-05-17 | ICStocks & EPT blitz 2 | Here | |
| Leucrocuta | thetis | - | (Traver 1935) | Flat-headed mayfly | 2011-06-12 | DAEtnier | Here |
| Maccaffertium | bednariki | - | (McCafferty 1981) | Flat-headed mayfly | 1991-09-20 | DAEtnier | Here |
| Maccaffertium | carlsoni | - | (Lewis 1974) | Flat-headed mayfly | 2003-07-30 | I & M Aquatics Crew | Here |
| Maccaffertium | ithaca | - | (Clemens & Leonard 1924) | Flat-headed mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Maccaffertium | mediopunctatum | arwini | (Bednarik & McCafferty 1979) | Flat-headed mayfly | 1993-12-15 | SJFraley & DAEtnier | Here |
| Maccaffertium | mediopunctatum | mediopunctatum | (McDunnough 1926) | Flat-headed mayfly | 1994-09-14 | GSalansky & JLButcher | Here |
| Maccaffertium | mediopunctatum | - | Flat-headed mayfly | 2003-08-13 | I & M Aquatics Crew | Here | |
| Maccaffertium | meririvulanum | - | (Carle & Lewis 1978) | Flat-headed mayfly | 2005-06-30 | JVaughn, PMcNichols & PRomeo | Here |
| Maccaffertium | modestum | - | (Banks 1910) | Flat-headed mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Maccaffertium | pudicum | - | (Hagen 1861) | Flat-headed mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Maccaffertium | sinclairi | - | (Lewis 1979) | Flat-headed mayfly | 2002-08-13 | I & M Aquatics Crew | Here |
| Maccaffertium | species ** | - | (NA) | 2007-05-16 | REDeWalt & DAEtnier | Here | |
| Maccaffertium | terminatum | terminatum | (Walsh 1862) | Flat-headed mayfly | 2001-07-07 | REDeWalt | Here |
| Maccaffertium | terminatum | - | Flat-headed mayfly | 2003-06-11 | I & M Aquatics Crew | Here | |
| Maccaffertium | vicarium | - | (Walker 1853) | Flat-headed mayfly | 2007-05-18 | CRParker | Here |
| Neoephemera | purpurea | - | (Traver, 1931) | Neoephemerid mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Nixe | species ** | - | (NA) | 1999-09-09 | I & M Aquatics Crew | Here | |
| Paracloeodes | minutus | - | (Daggy 1945) | Small minnow mayfly | 1996-09-26 | I & M Aquatics Crew | Here |
| Paracloeodes | species ** | - | (NA) | 1996-07-25 | I & M Aquatics Crew | Here | |
| Paraleptophlebia | adoptiva | - | (McDunnough 1929) | Leptophlebiid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Paraleptophlebia | adoptiva/mollis | - | (NA) | 1994-06-28 | DAEtnier | Here | |
| Paraleptophlebia | assimilis | - | (Banks 1914) | Leptophlebiid mayfly | 2001-12-07 | LMJacobus & JFMacDonald | Here |
| Paraleptophlebia | guttata | - | (McDunnough, 1924) | Leptophlebiid mayfly | 2011-06-12 | DAEtnier | Here |
| Paraleptophlebia | moerens | - | (McDunnough 1924) | Leptophlebiid mayfly | 2001-05-25 | REDeWalt & BDHeinold | Here |
| Paraleptophlebia | mollis | - | (Eaton 1871) | Leptophlebiid mayfly | 1996-07-10 | I & M Aquatics Crew | Here |
| Paraleptophlebia | species ** | - | (NA) | 2011-06-30 | BNichols, LCollins & AVan Gunst | Here | |
| Paraleptophlebia | swannanoa | - | (Traver 1932) | Leptophlebiid mayfly | 1996-10-29 | I & M Aquatics Crew | Here |
| Plauditus | armillatus | - | Small minnow mayfly | 2008-07-31 | BNichols, LCarnal & HMcGee | Here | |
| Plauditus | cestus | - | (Provonsha & McCafferty, 1982) | Small minnow mayfly | 2008-07-31 | BNichols, LCarnal & HMcGee | Here |
| Plauditus | dubius | - | (Walsh 1862) | Baetid mayfly | 2008-07-31 | BNichols, LCarnal & HMcGee | Here |
| Plauditus | punctiventris group | - | Small minnow mayfly | 2009-08-10 | BNichols, CKozmik & CBerg | Here | |
| Plauditus | species ** | - | (NA) | 2007-05-18 | REDeWalt & LMJacobus | Here | |
| Plauditus | virilis | - | (McDunnough 1923) | Baetid mayfly | 2001-12-06 | LMJacobus & JFMacDonald | Here |
| Procloeon | appalachia | - | Small minnow mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here | |
| Procloeon | rivulare | - | (Traver 1935) | Baetid mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Procloeon | species ** | - | (NA) | 2011-07-01 | BNichols & LKobelt | Here | |
| Procloeon | viridoculare | - | (Berner 1940) | Baetid mayfly | 2001-06-09 | BDHeinold, SLJohnson & REDeWalt | Here |
| Pseudocloeon | propinquum | - | (Walsh, 1863) | Baetid mayfly | 2000-08-21 | I & M Aquatics Crew | Here |
| Pseudocloeon | species ** | - | (NA) | 1996-09-25 | I & M Aquatics Crew | Here | |
| Rhithrogena | amica | - | Traver 1935 | Flat-headed mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Rhithrogena | anomala | - | McDunnough 1928 | Flat-headed mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Rhithrogena | exilis | - | Traver 1933 | Flat-headed mayfly | 2003-08-06 | I & M Aquatics Crew | Here |
| Rhithrogena | fasciata | - | Traver 1933 | Flat-headed mayfly | 2007-05-18 | LMJacobus | Here |
| Rhithrogena | fuscifrons | - | Traver, 1933 | Flat-headed mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Rhithrogena | n species | - | Flat-headed mayfly | 2001-05-21 | CD & RPRandolph & LMJacobus | Here | |
| Rhithrogena | species ** | - | (NA) | 2011-07-01 | BNichols & LKobelt | Here | |
| Rhithrogena | uhari | - | Traver 1933 | Flat-headed mayfly | 2002-09-26 | LMJacobus | Here |
| Rhithrogena/Epeorus | species ** | - | (NA) | 2001-05-16 | CD & RPRandolph & LMJacobus | Here | |
| Serratella | carolina | - | (Berner & Allen 1961) | Ephemerellid mayfly | 2003-08-06 | I & M Aquatics Crew | Here |
| Serratella | deficiens | - | (Morgan 1911) | Ephemerellid mayfly | 2011-07-01 | BNichols & LKobelt | Here |
| Serratella | molita | - | (McDunnough 1930) | Ephemerellid mayfly | 2011-06-28 | BNichols, LKobelt & AByrum | Here |
| Serratella | serrata | - | (Morgan 1911) | Ephemerellid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Serratella | serratoides | - | (McDunnough 1931) | Ephemerellid mayfly | 2002-08-14 | I & M Aquatics Crew | Here |
| Serratella | species ** | - | (NA) | 2001-12-06 | LMJacobus & JFMacDonald | Here | |
| Serratella | spiculosa | - | (Berner & Allen 1961) | Ephemerellid mayfly | 2002-08-07 | I & M Aquatics Crew | Here |
| Siphlonurus | mirus | - | (Eaton 1885) | Primitive minnow mayfly | 2001-05-21 | CD & RPRandolph & LMJacobus | Here |
| Siphlonurus | species ** | - | (NA) | 2004-05-06 | AJMayor, C & SStaines | Here | |
| Siphlonurus | typicus | - | (Eaton 1885) | Primitive minnow mayfly | 2001-05-25 | REDeWalt & BDHeinold | Here |
| Stenacron | candidum | - | (Traver 1935) | Flat-headed mayfly | 1994-06-14 | DAEtnier | Here |
| Stenacron | carolina | - | (Banks 1914) | Flat-headed mayfly | 2005-06-23 | JVaughn, PMcNichols & PRomeo | Here |
| Stenacron | interpunctatum | - | (Say 1839) | Flat-headed mayfly | 2011-07-01 | BNichols & LKobelt | Here |
| Stenacron | pallidum | - | (Traver 1933) | Flat-headed mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Stenacron | species ** | - | (NA) | 2011-06-12 | DAEtnier | Here | |
| Stenonema | carlsoni | - | Lewis 1974 | Flat-headed mayfly | 1991-05-19 | DAEtnier | Here |
| Stenonema | femoratum | - | (Say 1823) | Flat-headed mayfly | 2002-08-07 | I & M Aquatics Crew | Here |
| Stenonema | ithaca | - | (Clemens & Leonard 1924) | Flat-headed mayfly | 1991-09-09 | DAEtnier et al. | Here |
| Stenonema | pudicum | - | (Hagen 1861) | Flat-headed mayfly | 1991-05-22 | DAEtnier et al. | Here |
| Stenonema | sinclairi | - | Lewis 1979 | Flat-headed mayfly | 1995-06-15 | SJFraley & DAEtnier | Here |
| Stenonema | species ** | - | (NA) | 2011-06-12 | DAEtnier | Here | |
| Timpanoga | lita | - | (Burks 1949) | Ephemerellid mayfly | 1995-06-15 | SJFraley & DAEtnier | Here |
| Timpanoga | simplex | - | (McDunnough 1925) | Ephemerellid mayfly | 2001-07-01 | I & M Aquatics Crew | Here |
| Timpanoga | species ** | - | (NA) | 2003-07-12 | I & M Aquatics Crew | Here | |
| Tricorythodes | species ** | - | (NA) | 2011-07-01 | BNichols & LKobelt | Here | |
| Total Number of Species = 153 | |||||||