Localities: Arkavatnet: 22.09.1992
| Reporter: | Vardafjell videregående skole |
| Site: | Arkavatnet () |
| Date: | 1992-09-22 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Pea clam (Pisidium sp.) |
| Number: | 8 |
| Original: | Ja |
| Species: | Eurycercus lamellatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Gammarus lacustris |
| Number: | 7 |
| Original: | Ja |
| Species: | Sympetrum danae |
| Number: | 2 |
| Original: | Ja |
| Species: | Helobdella stagnalis |
| Number: | 1 |
| Original: | Ja |
| Species: | Nepa cinerea |
| Number: | 1 |
| Original: | Ja |
| Species: | Aeshna sp. |
| Number: | 3 |
| Original: | Ja |
| Species: | Agabus sp. |
| Number: | 2 |
| Original: | Ja |
| Species: | Amphinemura borealis |
| Number: | 1 |
| Original: | Ja |
| Species: | Cloeon simile |
| Number: | 2 |
| Original: | Ja |
| Species: | Coenagrion pulchellum |
| Number: | 3 |
| Original: | Ja |
| Species: | Coenagrionidae indet. |
| Number: | 56 |
| Original: | Ja |
| Species: | Enallagma cyathigerum |
| Number: | 1 |
| Original: | Ja |
| Species: | Enochrus fuscipennis |
| Number: | 1 |
| Original: | Ja |
| Species: | Gerridae indet. |
| Number: | 2 |
| Original: | Ja |
| Species: | Gerris odontogaster |
| Number: | 3 |
| Original: | Ja |
| Species: | Haliplus ruficollis |
| Number: | 2 |
| Original: | Ja |
| Species: | Hesperocorixa linnaei |
| Number: | 2 |
| Original: | Ja |
| Species: | Hydropsyche siltalai |
| Number: | 4 |
| Original: | Ja |
| Species: | Hygrotus quinquelineatus |
| Number: | 4 |
| Original: | Ja |
| Species: | Ilybius fuliginosus |
| Number: | 4 |
| Original: | Ja |
| Species: | Leptophlebia vespertina |
| Number: | 4 |
| Original: | Ja |
| Species: | Libellulidae indet. |
| Number: | 5 |
| Original: | Ja |
| Species: | Limnephilus binotatus |
| Number: | 2 |
| Original: | Ja |
| Species: | Limnephilus flavicornis |
| Number: | 41 |
| Original: | Ja |
| Species: | Lumbriculus variegatus |
| Number: | 8 |
| Original: | Ja |
| Species: | Neureclipsis bimaculata |
| Number: | 3 |
| Original: | Ja |
| Species: | Polycentropus flavomaculatus |
| Number: | 2 |
| Original: | Ja |
| Species: | Polycentropus irroratus |
| Number: | 1 |
| Original: | Ja |
| Species: | Pyrrhosoma nymphula |
| Number: | 4 |
| Original: | Ja |
| Species: | Sigara dorsalis |
| Number: | 13 |
| Original: | Ja |
| Species: | Subsigara scotti |
| Number: | 23 |
| Original: | Ja |