Localities: Koltjønna: 28.08.1991
| Reporter: | Fosen videregående skole |
| Site: | Koltjønna () |
| Date: | 1991-08-28 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Gerris lacustris |
| Number: | 2 |
| Original: | Ja |
| Species: | Glossiphonia complanata |
| Number: | 1 |
| Original: | Ja |
| Species: | Agabus sturmii |
| Number: | 1 |
| Original: | Ja |
| Species: | Callicorixa praeusta |
| Number: | 5 |
| Original: | Ja |
| Species: | Chironomus sp. |
| Number: | 2 |
| Original: | Ja |
| Species: | Coenagrion pulchellum |
| Number: | 1 |
| Original: | Ja |
| Species: | Coenagrionidae indet. |
| Number: | 1 |
| Original: | Ja |
| Species: | Endochironomus dispar gr. |
| Number: | 2 |
| Original: | Ja |
| Species: | Gerris lateralis |
| Number: | 1 |
| Original: | Ja |
| Species: | Haliplus ruficollis |
| Number: | 1 |
| Original: | Ja |
| Species: | Hesperocorixa sahlbergi |
| Number: | 22 |
| Original: | Ja |
| Species: | Ilybius fuliginosus |
| Number: | 3 |
| Original: | Ja |
| Species: | Limnephilus flavicornis |
| Number: | 1 |
| Original: | Ja |
| Species: | Sialis lutaria |
| Number: | 1 |
| Original: | Ja |