Author: Saether, 1976
Diagnosis
Exuviae 4.5-5.2mm long (n=7).
Cephalothorax: Frontal setae very small, 30-60µm long (n=5). Thoracic horn small-toothed, 370-450µm long (n=7); ThR 3.4-4.3 (n=6). Dorsal antepronotal setae shorter than 250µm; median antepronotal setae similar in size.
Abdomen: Tergites II/III-VIII extensively shagreened, without a median transverse row of strong points; II/III-V(VI) with a swelling posteriorly covered with strong points. Pedes spurii B II absent; pedes spurii A present on segments IV-VI. Segments VI-VIII each with a postero-lateral embedded spine. Three or four lateral setae on segments II-VI, not taeniate; lateral taeniae of segment VII 4, all lateral setae on segment VIII taeniate.
Anal segment: Anal lobe ratio 1.9-2.1 (n=7). Fringe of anal lobe with 28-37 taeniae (n=8).
Species keys out at Page 653: Orthocladiinae 65 Zalutschia of the Text Key.
Distribution
(For more information see module IdentifyIt – file: Orthocladiinae).
Ecological notes
Northern standing water.