: Diacyclops crassicaudis.

Diacyclops crassicaudis is quite rare in Norway and most records are from small ponds in the vicinity of Oslo. Its body has a compact form and it is the only Diacyclops species which have antennas that consists of 12 joints.

Diacyclops crassicaudis Sars
Creative Commons Attribution | Bjørn Walseng | Norsk institutt for naturforskning
Kart. Utbredelse i Norge.