Localities: Arkavatnet: 25.09.1990
| Reporter: | Vardafjell videregående skole |
| Site: | Arkavatnet () |
| Date: | 1990-09-25 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Pea clam (Pisidium sp.) |
| Number: | 48 |
| Original: | Ja |
| Species: | Pea clam (Pisidium sp.) |
| Number: | 1 |
| Original: | Ja |
| Species: | Helobdella stagnalis |
| Number: | 1 |
| Original: | Ja |
| Species: | Agabus bipustulatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Anacaena lutescens |
| Number: | 1 |
| Original: | Ja |
| Species: | Chydorus sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Cloeon simile |
| Number: | 3 |
| Original: | Ja |
| Species: | Coenagrionidae indet. |
| Number: | 4 |
| Original: | Ja |
| Species: | Cyrnus flavidus |
| Number: | 1 |
| Original: | Ja |
| Species: | Dicrotendipes pulsus |
| Number: | 1 |
| Original: | Ja |
| Species: | Enallagma cyathigerum |
| Number: | 1 |
| Original: | Ja |
| Species: | Gerris odontogaster |
| Number: | 2 |
| Original: | Ja |
| Species: | Gyrinus substriatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Hesperocorixa linnaei |
| Number: | 4 |
| Original: | Ja |
| Species: | Hydroporus palustris |
| Number: | 1 |
| Original: | Ja |
| Species: | Hydroporus umbrosus |
| Number: | 1 |
| Original: | Ja |
| Species: | Hydropsyche siltalai |
| Number: | 38 |
| Original: | Ja |
| Species: | Ilybius fuliginosus |
| Number: | 1 |
| Original: | Ja |
| Species: | Ilybius fuliginosus |
| Number: | 1 |
| Original: | Ja |
| Species: | Leptophlebia vespertina |
| Number: | 1 |
| Original: | Ja |
| Species: | Leuctra fusca |
| Number: | 1 |
| Original: | Ja |
| Species: | Leuctra fusca |
| Number: | 1 |
| Original: | Ja |
| Species: | Limnephilus flavicornis |
| Number: | 2 |
| Original: | Ja |
| Species: | Limnephilus sp. |
| Number: | 7 |
| Original: | Ja |
| Species: | Limnephilus sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Lumbriculida |
| Number: | 1 |
| Original: | Ja |
| Species: | Lumbriculus variegatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Macrocyclops sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Macropelopia sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Microtendipes pedellus gr. |
| Number: | 1 |
| Original: | Ja |
| Species: | Nais communis |
| Number: | 1 |
| Original: | Ja |
| Species: | Neureclipsis bimaculata |
| Number: | 3 |
| Original: | Ja |
| Species: | Platambus maculatus |
| Number: | 2 |
| Original: | Ja |
| Species: | Polycentropus flavomaculatus |
| Number: | 2 |
| Original: | Ja |
| Species: | Polycentropus irroratus |
| Number: | 2 |
| Original: | Ja |
| Species: | Protanypus caudatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Pyrrhosoma nymphula |
| Number: | 1 |
| Original: | Ja |
| Species: | Rhyacophila nubila |
| Number: | 4 |
| Original: | Ja |
| Species: | Stictochironomus sp. |
| Number: | 2 |
| Original: | Ja |
| Species: | Tanytarsus aculeatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Triaenodes bicolor |
| Number: | 1 |
| Original: | Ja |
| Species: | Velia caprai |
| Number: | 1 |
| Original: | Ja |