Localities: Kolbjørnviksjøen: 31.05.1990
| Reporter: | Askim videregående skole |
| Site: | Kolbjørnviksjøen () |
| Date: | 1990-05-31 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Haemopis sanguisuga |
| Number: | 1 |
| Original: | Ja |
| Species: | Ephemera vulgata |
| Number: | 17 |
| Original: | Ja |
| Species: | Gyrinus opacus |
| Number: | 1 |
| Original: | Ja |
| Species: | Hygrotus versicolor |
| Number: | 2 |
| Original: | Ja |
| Species: | Ilybius fenestratus |
| Number: | 4 |
| Original: | Ja |
| Species: | Limnephilus rhombicus |
| Number: | 2 |
| Original: | Ja |
| Species: | Micronecta poweri |
| Number: | 6 |
| Original: | Ja |
| Species: | Molanna angustata |
| Number: | 1 |
| Original: | Ja |
| Species: | falleni |
| Number: | 1 |
| Original: | Ja |