Localities: Kverndammen: 10.06.1991
| Reporter: | Porsgrunn videregående skole |
| Site: | Kverndammen () |
| Date: | 1991-06-10 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Haemopis sanguisuga |
| Number: | 1 |
| Original: | Ja |
| Species: | Erpobdella octoculata |
| Number: | 1 |
| Original: | Ja |
| Species: | Cloeon dipterum |
| Number: | 1 |
| Original: | Ja |
| Species: | Hyphydrus ovatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Leptophlebia sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Siphlonurus lacustris |
| Number: | 1 |
| Original: | Ja |
| Species: | distincta |
| Number: | 1 |
| Original: | Ja |