Species: Gyrinus substriatus
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1992 | 1 | 5 | 5 | 6 |
| 1991 | 1 | 2 | 2 | 3 |
| 1990 | 1 | 8 | 8 | 9 |
| 1989 | 1 | 8 | 8 | 8 |
| Totalt alle år | 1 | 14 | 14 | 26 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1992 | 1 | 5 | 5 | 6 |
| 1991 | 1 | 2 | 2 | 3 |
| 1990 | 1 | 8 | 8 | 9 |
| 1989 | 1 | 8 | 8 | 8 |
| Totalt alle år | 1 | 14 | 14 | 26 |