Localities: Opsangervatnet: 15.06.1992
| Reporter: | Kvinnherad vidaregåande skule |
| Site: | Opsangervatnet () |
| Date: | 1992-06-15 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Gerris lacustris |
| Number: | 5 |
| Original: | Ja |
| Species: | Lumbricidae indet. |
| Number: | 1 |
| Original: | Ja |
| Species: | Cyrnus trimaculatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Gerridae indet. |
| Number: | 4 |
| Original: | Ja |
| Species: | Hygrotus quinquelineatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Sigara dorsalis |
| Number: | 1 |
| Original: | Ja |
| Species: | Subsigara scotti |
| Number: | 1 |
| Original: | Ja |