Art	Vitenskapelig navn	1989	1990	1991	1992
	Aeshna sp.		2		1
	Ankistrodesmus sp.			1
	Chironomus sp.			1
	Cyclotella sp.		2
	Dixella sp.	1
	Elakatothrix cf. viridis		1
	Endochironomus cf. tendens			1
	Korshikoviella sp.		1
	Korshikoviella spp.		1
	Leptophlebia sp.			1
	Mallomonas sp.		2
	Merismopedia sp.			1
	Monoraphidium sp.		2
	Oocystis sp.		2
	Polycelis sp.	1
	Procladius sp.			1
	Sphaerocystis cf. schroeteri		2
	Sphaerocystis sp.			1
	Subsigara cf. distincta	1
	Aeshna grandis	1
	Agrypnia varia			1
Brei dunkjevle	Typha latifolia	1
	Caenis horaria			1
	Cloeon dipterum	1		2
	Cosmarium centractum		1
	Cymatia bonsdorffii	1
	Dinobryon sociale			1
	Elakatothrix viridis		1
Elvesnelle	Equisetum fluviatile	1
	Eukiefferiella claripennis	1
Flaskestarr	Carex rostrata	1
Hesteigle	Haemopis sanguisuga		1	2
Hesterumpe	Hippuris vulgaris	1
	Holocentropus dubius			1
Hundeigle	Erpobdella octoculata	1	2	2
	Hydroporus palustris			1
	Hyphydrus ovatus		1	2	1
	Ilybius fuliginosus		2	1
Kattehale	Lythrum salicaria	1
Liten vannløper	Gerris lacustris	1
	Lumbriculus variegatus	1
Nordskivesnegl	Gyraulus acronicus	1			1
	Retrocorixa semistriata			1
	Rhantus exsoletus		1
	Sialis lutaria			1
	Siphlonurus lacustris			1
	Somatochlora metallica	1
Stor ryggsvømmer	Notonecta glauca	1	1	1	1
	Tabellaria fenestrata		2
	Tabellaria flocculosa		2
	Tribelos intextus			1
Vanlig damsnegl	Lymnaea peregra				1
Vannskorpion	Nepa cinerea	1	1
Vassgro	Alisma plantago-aquatica	1
	distincta			2
	fossarum			1	1
	juncea				1
	Lumbriculida	1