Localities: Tjennane: 15.09.1993
| Reporter: | Porsgrunn videregående skole |
| Site: | Tjennane () |
| Date: | 1993-09-15 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Gerris lacustris |
| Number: | 2 |
| Original: | Ja |
| Species: | Notonecta glauca |
| Number: | 1 |
| Original: | Ja |
| Species: | Sympetrum danae |
| Number: | 4 |
| Original: | Ja |
| Species: | Aeshna sp. |
| Number: | 10 |
| Original: | Ja |
| Species: | Agrypnia obsoleta |
| Number: | 1 |
| Original: | Ja |
| Species: | Cloeon dipterum |
| Number: | 1 |
| Original: | Ja |
| Species: | Coenagrion sp. hastulatum gr. |
| Number: | 1 |
| Original: | Ja |
| Species: | Coenagrionidae indet. |
| Number: | 2 |
| Original: | Ja |
| Species: | Gerridae indet. |
| Number: | 2 |
| Original: | Ja |
| Species: | Leucorrhinia dubia |
| Number: | 1 |
| Original: | Ja |
| Species: | Libellulidae indet. |
| Number: | 4 |
| Original: | Ja |
| Species: | juncea |
| Number: | 2 |
| Original: | Ja |