Species: Tvetenia calvescens
Originator: Brage Førland
Arten lever i rennende vann. Vanlig i hele Norge.
Systematics :
| Kingdom | Animals (Animalia) | ||||||||
| Phylum | Articulate animals (Arthropoda) | ||||||||
| Klasse | Insects (Insecta) | ||||||||
| Order | Tovinger (Diptera) | ||||||||
| Suborder | Mygg (Nematocera) | ||||||||
| Family | Fjærmygg (Chironomidae) | ||||||||
| Subfamily | Orthocladiinae | ||||||||
| Genus | Tvetenia | ||||||||
| Species | Tvetenia calvescens | ||||||||
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