Localities: Svanevatnet: 18.06.1991
| Reporter: | Dalane videregående skole |
| Site: | Svanevatnet () |
| Date: | 1991-06-18 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Gerris lacustris |
| Number: | 1 |
| Original: | Ja |
| Species: | Centroptilum luteolum |
| Number: | 2 |
| Original: | Ja |
| Species: | Cloeon dipterum |
| Number: | 10 |
| Original: | Ja |
| Species: | Cloeon sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Corixidae indet. |
| Number: | 1 |
| Original: | Ja |
| Species: | Gyrinus substriatus |
| Number: | 5 |
| Original: | Ja |
| Species: | Lumbriculus variegatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Subsigara scotti |
| Number: | 1 |
| Original: | Ja |
| Species: | Veliidae indet. |
| Number: | 1 |
| Original: | Ja |