Localities: Lauvtjønna: 30.05.1990
| Reporter: | Malvik videregående skole |
| Site: | Lauvtjønna () |
| Date: | 1990-05-30 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Ephemera vulgata |
| Number: | 2 |
| Original: | Ja |
| Species: | Gerris lacustris |
| Number: | 12 |
| Original: | Ja |
| Species: | Sympetrum danae |
| Number: | 2 |
| Original: | Ja |
| Species: | Aeshna sp. |
| Number: | 5 |
| Original: | Ja |
| Species: | Agrypnia obsoleta |
| Number: | 5 |
| Original: | Ja |
| Species: | Arthroplea congener |
| Number: | 1 |
| Original: | Ja |
| Species: | Callicorixa praeusta |
| Number: | 2 |
| Original: | Ja |
| Species: | Cladotanytarsus mancus gr. |
| Number: | 1 |
| Original: | Ja |
| Species: | Cymatia bonsdorffii |
| Number: | 2 |
| Original: | Ja |
| Species: | Demicryptochironomus vulneratus |
| Number: | 1 |
| Original: | Ja |
| Species: | Enallagma cyathigerum |
| Number: | 10 |
| Original: | Ja |
| Species: | Hesperocorixa sahlbergi |
| Number: | 1 |
| Original: | Ja |
| Species: | Ilybius ater |
| Number: | 1 |
| Original: | Ja |
| Species: | Leptophlebia sp. |
| Number: | 39 |
| Original: | Ja |
| Species: | Limnephilus sp. |
| Number: | 5 |
| Original: | Ja |
| Species: | Macropelopia sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Procladius sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Pyrrhosoma nymphula |
| Number: | 1 |
| Original: | Ja |
| Species: | Retrocorixa semistriata |
| Number: | 1 |
| Original: | Ja |
| Species: | Sialis lutaria |
| Number: | 1 |
| Original: | Ja |
| Species: | Siphlonurus alternatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Siphlonurus lacustris |
| Number: | 16 |
| Original: | Ja |
| Species: | Tanytarsus sp. |
| Number: | 2 |
| Original: | Ja |