Corixidae indet.
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1997 | 1 | 2 | 2 | 2 |
| 1996 | 1 | 5 | 5 | 5 |
| 1995 | 1 | 11 | 11 | 11 |
| 1994 | 1 | 14 | 13 | 15 |
| 1993 | 1 | 19 | 19 | 20 |
| 1992 | 1 | 17 | 18 | 18 |
| 1991 | 1 | 10 | 10 | 10 |
| 1990 | 1 | 21 | 20 | 22 |
| 1989 | 1 | 7 | 6 | 7 |
| Totalt alle år | 1 | 51 | 52 | 110 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1997 | 1 | 2 | 2 | 2 |
| 1996 | 1 | 5 | 5 | 5 |
| 1995 | 1 | 11 | 11 | 11 |
| 1994 | 1 | 14 | 13 | 15 |
| 1993 | 1 | 19 | 19 | 20 |
| 1992 | 1 | 17 | 18 | 18 |
| 1991 | 1 | 10 | 10 | 10 |
| 1990 | 1 | 21 | 20 | 22 |
| 1989 | 1 | 7 | 6 | 7 |
| Totalt alle år | 1 | 51 | 52 | 110 |