Localities: Arkavatnet: 30.05.1991
| Reporter: | Vardafjell videregående skole |
| Site: | Arkavatnet () |
| Date: | 1991-05-30 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Eiseniella tetraedra |
| Number: | 1 |
| Original: | Ja |
| Species: | Gerris lacustris |
| Number: | 1 |
| Original: | Ja |
| Species: | Agabus sturmii |
| Number: | 1 |
| Original: | Ja |
| Species: | Arctopelopia sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Bezzia sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Caenis horaria |
| Number: | 1 |
| Original: | Ja |
| Species: | Coenagrion pulchellum |
| Number: | 3 |
| Original: | Ja |
| Species: | Coenagrionidae indet. |
| Number: | 3 |
| Original: | Ja |
| Species: | Cordulegaster boltoni |
| Number: | 1 |
| Original: | Ja |
| Species: | Hesperocorixa linnaei |
| Number: | 4 |
| Original: | Ja |
| Species: | Hydroporus palustris |
| Number: | 1 |
| Original: | Ja |
| Species: | Hydroporus umbrosus |
| Number: | 8 |
| Original: | Ja |
| Species: | Hydropsyche siltalai |
| Number: | 18 |
| Original: | Ja |
| Species: | Hygrotus inaequalis |
| Number: | 1 |
| Original: | Ja |
| Species: | Ilybius fuliginosus |
| Number: | 4 |
| Original: | Ja |
| Species: | Ischnura elegans |
| Number: | 3 |
| Original: | Ja |
| Species: | Leptophlebia vespertina |
| Number: | 10 |
| Original: | Ja |
| Species: | Limnephilus sp. |
| Number: | 7 |
| Original: | Ja |
| Species: | Neureclipsis bimaculata |
| Number: | 2 |
| Original: | Ja |
| Species: | Plectrocnemia conspersa |
| Number: | 1 |
| Original: | Ja |
| Species: | Polycentropus flavomaculatus |
| Number: | 4 |
| Original: | Ja |
| Species: | Sigara dorsalis |
| Number: | 12 |
| Original: | Ja |
| Species: | Subsigara scotti |
| Number: | 12 |
| Original: | Ja |
| Species: | Sympetrum striolatum |
| Number: | 2 |
| Original: | Ja |
| Species: | Triaenodes bicolor |
| Number: | 1 |
| Original: | Ja |
| Species: | juncea |
| Number: | 1 |
| Original: | Ja |