Localities: Gullerudtjern: 26.09.1990
| Reporter: | Ringerike gymnas |
| Site: | Gullerudtjern () |
| Date: | 1990-09-26 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Ephemera vulgata |
| Number: | 5 |
| Original: | Ja |
| Species: | Gerris lacustris |
| Number: | 2 |
| Original: | Ja |
| Species: | Gyraulus acronicus |
| Number: | 5 |
| Original: | Ja |
| Species: | Bathyomphalus contortus |
| Number: | 5 |
| Original: | Ja |
| Species: | Lymnaea stagnalis |
| Number: | 1 |
| Original: | Ja |
| Species: | Acilius sulcatus |
| Number: | 2 |
| Original: | Ja |
| Species: | Coenagrion sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Microtendipes pedellus gr. |
| Number: | 1 |
| Original: | Ja |
| Species: | Somatochlora metallica |
| Number: | 2 |
| Original: | Ja |