Ephemeroptera
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Elvetangen | Innlandet, Norway | 1 | 1 | 0 | 2013-09-06 | |
| Engi Fresvik | Vestland, Norway | 1 | 1 | 0 | 2013-06-03 | |
| Engsbekken | Østfold, Norway | 1 | 1 | 0 | 2002-05-30 | |
| Erlandsvatnet | Rogaland, Norway | 1 | 1 | 0 | 2001-09-27 | |
| Erlevegen 37 | Agder, Norway | 6 | 2 | 0 | 1992-10-12 | |
| Ersfjordelva | Troms, Norway | 3 | 3 | 0 | 1994-09-21 | |
| Ettevassbekken | Agder, Norway | 6 | 3 | 0 | 1994-05-26 | |
| Fagerlibekken | Trøndelag, Norway | 4 | 3 | 0 | 1994-06-15 | |
| Falkumelva (Hyni-elva) | Telemark, Norway | 8 | 3 | 0 | 1994-05-04 | |
| Fanaelven | Vestland, Norway | 12 | 3 | 0 | 1994-06-15 | |
| Fetvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1990-06-13 | |
| Finsalbekken | Innlandet, Norway | 1 | 1 | 0 | 2005-08-11 | |
| Finsalbekken | Innlandet, Norway | 2 | 2 | 0 | 2002-05-29 | |
| Fiæstadbekken | Innlandet, Norway | 1 | 1 | 0 | 2005-09-14 | |
| Fjæraelva | Vestland, Norway | 5 | 3 | 0 | 1995-10-25 | |
| Flaktveit | Vestland, Norway | 1 | 1 | 0 | 2013-09-17 | |
| Floelva | Vestland, Norway | 9 | 3 | 0 | 1994-10-14 | |
| Fløyta | Akershus, Norway | 5 | 5 | 0 | 1993-05-27 | |
| Follesevatn | Vestland, Norway | 1 | 1 | 0 | 2003-05-21 | |
| Fossevatna naturreservat | Vestland, Norway | 2 | 1 | 1 | 2006-05-04 | |
| Frøtjønnbekken | Agder, Norway | 11 | 3 | 0 | 1996-05-13 | |
| Frøylandsvatnet | Rogaland, Norway | 15 | 7 | 0 | 1993-09-29 | |
| Fæbydammen | Trøndelag, Norway | 1 | 1 | 0 | 2003-06-11 | |
| Førdesfjorden | Rogaland, Norway | 1 | 1 | 0 | 2013-09-20 | |
| Gakorivannet | Finnmark, Norway | 1 | 1 | 0 | 2004-08-30 | |
| Gamleskoleelven | Vestland, Norway | 1 | 1 | 0 | 2015-05-26 | |
| Gaupåsvatnet | Vestland, Norway | 1 | 1 | 0 | 2007-08-29 | |
| Gauro | Vestland, Norway | 2 | 2 | 0 | 1993-10-21 | |
| Gihle gårdsdam | Innlandet, Norway | 1 | 1 | 0 | 2013-09-18 | |
| Ginavannet | Rogaland, Norway | 1 | 1 | 0 | 2013-09-13 | |
| Gjellumvannet | Akershus, Norway | 4 | 1 | 0 | 2014-10-13 | |
| Gjellumvannet | Akershus, Norway | 2 | 1 | 1 | 2017-09-18 | |
| Gjerstadvannet | Agder, Norway | 1 | 1 | 0 | 2005-11-10 | |
| Glorvigsdammen | Innlandet, Norway | 1 | 1 | 0 | 2013-09-12 | |
| Gramstadtjøna | Rogaland, Norway | 1 | 1 | 0 | 2014-10-21 | |
| Granavatnet | Trøndelag, Norway | 3 | 3 | 0 | 1993-08-31 | |
| Gravdalsvatnet | Vestland, Norway | 1 | 1 | 0 | 1990-09-25 | |
| Gravedalen, Bø i Tørdal. | Telemark, Norway | 1 | 1 | 0 | 2007-06-04 | |
| Greverudbekken | Akershus, Norway | 11 | 3 | 0 | 1994-06-01 | |
| Grobekken | Agder, Norway | 13 | 3 | 0 | 1995-05-29 | |
| Grunningen | Innlandet, Norway | 1 | 1 | 0 | 2012-09-20 | |
| Grytebekken | Agder, Norway | 40 | 3 | 0 | 1997-09-23 | |
| Gullerudelva | Innlandet, Norway | 6 | 3 | 0 | 1994-05-24 | |
| Gullerudtjern | Buskerud, Norway | 6 | 2 | 0 | 1992-09-18 | |
| Gårdsdam - Hvam vgs. | Akershus, Norway | 1 | 1 | 0 | 2000-06-07 | |
| Gårdsdam på Rud | Innlandet, Norway | 2 | 1 | 0 | 2013-09-16 | |
| Gåstjønna | Nordland, Norway | 2 | 2 | 0 | 1989-09-13 | |
| Hammervatnet | Trøndelag, Norway | 15 | 9 | 0 | 1996-10-17 | |
| Harestuavannet | Akershus, Norway | 3 | 1 | 0 | 2015-06-04 | |
| Harestuvannet | Akershus, Norway | 17 | 11 | 0 | 2004-09-01 |