Localities: Lauvtjønna: 06.09.1991
| Reporter: | Malvik videregående skole |
| Site: | Lauvtjønna () |
| Date: | 1991-09-06 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Ephemera vulgata |
| Number: | 3 |
| Original: | Ja |
| Species: | Gerris lacustris |
| Number: | 27 |
| Original: | Ja |
| Species: | Agabus congener |
| Number: | 2 |
| Original: | Ja |
| Species: | Caenis horaria |
| Number: | 1 |
| Original: | Ja |
| Species: | Callicorixa praeusta |
| Number: | 2 |
| Original: | Ja |
| Species: | Callicorixa producta |
| Number: | 1 |
| Original: | Ja |
| Species: | Cloeon dipterum |
| Number: | 1 |
| Original: | Ja |
| Species: | Gerridae indet. |
| Number: | 2 |
| Original: | Ja |
| Species: | Hydroporus sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Laccobius minutus |
| Number: | 11 |
| Original: | Ja |
| Species: | Leptophlebia vespertina |
| Number: | 3 |
| Original: | Ja |
| Species: | Limnephilus rhombicus |
| Number: | 1 |
| Original: | Ja |
| Species: | Phryganea grandis |
| Number: | 1 |
| Original: | Ja |
| Species: | Procladius sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Retrocorixa semistriata |
| Number: | 2 |
| Original: | Ja |
| Species: | Siphlonurus lacustris |
| Number: | 2 |
| Original: | Ja |