Localities: Akersvannet: 13.09.1989
| Reporter: | Tønsberg gymnas |
| Site: | Akersvannet () |
| Date: | 1989-09-13 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Erpobdella octoculata |
| Number: | 3 |
| Original: | Ja |
| Species: | Cloeon dipterum |
| Number: | 3 |
| Original: | Ja |
| Species: | Coenagrion sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Corixidae indet. |
| Number: | 1 |
| Original: | Ja |
| Species: | Endochironomus cf. albipennis |
| Number: | 1 |
| Original: | Ja |
| Species: | Holocentropus dubius |
| Number: | 1 |
| Original: | Ja |
| Species: | Ischnura elegans |
| Number: | 1 |
| Original: | Ja |
| Species: | Sigara sp. |
| Number: | 1 |
| Original: | Ja |