The measured male specimen had a body length of 6.92 mm. The eyes and rostrum are absent. The main flagellum of the first antenna has 20 articles. The natural spring where specimens were collected had a permanent moderate flow. Its bottom was covered with sand and rotting leaves. Most records are from the United Kingdom and western Germany, with two sites in France and one on Guernsey in the Channel Islands.
The measured male specimen had a body length of 6.92 mm.
The natural spring where specimens were collected had a permanent moderate flow. Its bottom was covered with sand and rotting leaves.
The eyes and rostrum are absent.
The main flagellum of the first antenna has 20 articles.
An extinction-risk assessment has not been added yet.