Localities: Kolbotnvannet: 19.10.1991
| Reporter: | Oppegård videregående skole |
| Site: | Kolbotnvannet () |
| Date: | 1991-10-19 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Gerris lacustris |
| Number: | 3 |
| Original: | Ja |
| Species: | Phryganea bipunctata |
| Number: | 2 |
| Original: | Ja |