Author: (Nowicki, 1873)
Diagnosis (Material in coll. Serra-Tosio)
Exuviae 8-10.5mm long (n=4) (029-1.jpg).
Cephalothorax: Thoracic horn absent. Thorax nearly smooth.
Abdomen: Hook row II absent. Lateral setae of segments VII and VIII simple.
Anal segment: Anterior macroseta of the anal lobes weak and easily broken off. Anal lobes posterior to three marginal setae with a smooth short, broad triangular projection (029b.jpg).
Species keys out at Page 548: Diamesinae 24 Pseudodiamesa of the Text Key.
Distribution
Holarctic species: Widespread in Europe.
(For more information see module IdentifyIt – file: Other subfamilies).
Ecological notes
Cold running water in montane regions.