Localities: Jegersborgdammen: 06.09.1989
| Reporter: | Rudolf Steinerskolen i Oslo |
| Site: | Jegersborgdammen () |
| Date: | 1989-09-06 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Gerris lacustris |
| Number: | 1 |
| Original: | Ja |
| Species: | Gerris lateralis |
| Number: | 1 |
| Original: | Ja |