Heptagenia
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1996 | 1 | 1 | 1 | 1 |
| 1995 | 1 | 2 | 2 | 2 |
| 1994 | 1 | 1 | 1 | 1 |
| 1993 | 2 | 3 | 3 | 4 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 2 | 2 | 2 | 2 |
| 1989 | 2 | 3 | 3 | 4 |
| Totalt alle år | 3 | 9 | 8 | 15 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1996 | 1 | 1 | 1 | 1 |
| 1995 | 1 | 2 | 2 | 2 |
| 1994 | 1 | 1 | 1 | 1 |
| 1993 | 2 | 3 | 3 | 4 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 2 | 2 | 2 | 2 |
| 1989 | 2 | 3 | 3 | 4 |
| Totalt alle år | 3 | 9 | 8 | 15 |