Localities: Gravdalsvatnet: 25.09.1990
| Reporter: | Laksevåg videregående skole |
| Site: | Gravdalsvatnet () |
| Date: | 1990-09-25 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Gerris lacustris |
| Number: | 1 |
| Original: | Ja |
| Species: | Notonecta glauca |
| Number: | 2 |
| Original: | Ja |
| Species: | Lymnaea peregra |
| Number: | 16 |
| Original: | Ja |
| Species: | Arctocorisa germari |
| Number: | 37 |
| Original: | Ja |
| Species: | Callicorixa producta |
| Number: | 4 |
| Original: | Ja |
| Species: | Callicorixa sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Cloeon simile |
| Number: | 4 |
| Original: | Ja |
| Species: | Corixidae indet. |
| Number: | 34 |
| Original: | Ja |
| Species: | Cyrnus flavidus |
| Number: | 1 |
| Original: | Ja |
| Species: | Enallagma cyathigerum |
| Number: | 1 |
| Original: | Ja |
| Species: | Gyrinus opacus |
| Number: | 1 |
| Original: | Ja |
| Species: | Gyrinus substriatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Hydroporus palustris |
| Number: | 4 |
| Original: | Ja |
| Species: | Hygrotus quinquelineatus |
| Number: | 14 |
| Original: | Ja |
| Species: | Limnephilus extrincatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Limnephilus rhombicus |
| Number: | 18 |
| Original: | Ja |
| Species: | Sigara sp. |
| Number: | 2 |
| Original: | Ja |
| Species: | Stictotarsus duodecimpustulatus |
| Number: | 1 |
| Original: | Ja |
| Species: | distincta |
| Number: | 2 |
| Original: | Ja |