Author: (Fittkau and Lellák, 1971)
Diagnosis (Material in coll. ZMBN)
Exuviae 6.7-9.7mm long (n=6).
Cephalothorax: Thoracic horn 600-680µm long (n=6), of Eukiefferiella form, with a swollen base and long apical filament. Length horn base 0.32-0.35x length horn (n=5), apical filament of horn less than twice the length of the swollen base (050f.jpg); ThR (base) 1.8-2.6 (n=5). Pearl row present.
Abdomen: Posterior transverse tooth row present on tergites I-VII(VIII).
Anal segment: Anal lobes without fringe.
Species keys out at Page 724: Orthocladiinae 136 Tvetenia/Dratnalia of the Text Key.
Distribution
Widespread in Europe (not Mediterranean).
(For more information see module IdentifyIt – file: Orthocladiinae).
Ecological notes
Flowing water.