Author: (Kieffer, 1924)
Diagnosis (n=1, material in coll. Serra-Tosio)
Exuviae 6.5mm long.
Cephalothorax: Frontal setae 375µm long. Precorneal setae 1-3: 380; 250; 150µm long. Thoracic horn 380µm long; ThR 12.7.
Abdomen: Hook row II absent. Total dorsal teeth III-VIII 51. Total ventral teeth III-VIII 54. Relative length segments IX:VIII:VII = 1.0:0.64:0.82; relative width segments IX:VIII:VII = 1.0:1.15:1.39. Segment VIII 2.0 and segment VII 1.9 times as wide as long. Lateral setae 1-4 of segment III 205; 250; -- 165; 60µm long.
Anal segment: Anal lobe ratio 1.8. Each anal lobe with 3 macrosetae; length macrosetae 0.7x lobe length.
See also: Serra-Tosio, 1970a; Ferrarese and Rossaro, 1981a.
Species keys out at Page 553: Diamesinae 29 Diamesa of the Text Key.
Distribution
Central European Alpine region.
(For more information see module IdentifyIt – file: Other subfamilies).
Ecological notes
Cold mossy montane streams.