Localities: Korssjøen: 09.09.1997
| Reporter: | Holmestrand videregående skole |
| Site: | Korssjøen () |
| Date: | 1997-09-09 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Notonecta glauca |
| Number: | 1 |
| Species: | Hyphydrus ovatus |
| Number: | 3 |
| Species: | Porhydrus lineatus |
| Number: | 1 |