Localities: Tretjønnet: 26.06.1990
| Reporter: | Gimle videregående skole |
| Site: | Tretjønnet () |
| Date: | 1990-06-26 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Pea clam (Pisidium sp.) |
| Number: | 1 |
| Original: | Ja |
| Species: | Glossiphonia complanata |
| Number: | 1 |
| Original: | Ja |
| Species: | Helobdella stagnalis |
| Number: | 1 |
| Original: | Ja |
| Species: | Lymnaea peregra |
| Number: | 4 |
| Original: | Ja |
| Species: | Aeshna sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Agabus sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Athripsodes aterrimus |
| Number: | 1 |
| Original: | Ja |
| Species: | Athripsodes cinerus |
| Number: | 1 |
| Original: | Ja |
| Species: | Corixidae indet. |
| Number: | 2 |
| Original: | Ja |
| Species: | Cyrnus insolutus |
| Number: | 1 |
| Original: | Ja |
| Species: | Glyphotaelius pellucidus |
| Number: | 1 |
| Original: | Ja |
| Species: | Haliplus ruficollis |
| Number: | 1 |
| Original: | Ja |
| Species: | Notonecta sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Polycentropus irroratus |
| Number: | 1 |
| Original: | Ja |
| Species: | Retrocorixa semistriata |
| Number: | 1 |
| Original: | Ja |