Author: Kieffer, 1923
Diagnosis
Exuviae 5.8-6.1mm long (m=6.0mm, n=13) (047-2.jpg).
Cephalothorax: Thoracic horn 345-435µm long (m=386µm, n=12), small-toothed (047h.jpg); ThR 6.2-12.3 (m=8.8, n=11).
Abdomen: Tergites without a median transverse row of strong points. Tergites III-VIII with restricted shagreen, at least on VII and VIII, with conspicuous large points posteriorly (047i.jpg). Three or four lateral setae on segments II-VI, not taeniate; lateral taeniae of segments VII and VIII: 4,5.
Anal segment: Anal lobe ratio 1.2-1.7 (m=1.4, n=13). Fringe of anal lobe with 38-59 taeniae (m=52, n=13). Setae of anal lobes marginal; all three close together and apical (047j.jpg).
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 661: Orthocladiinae 73 Psectrocladius of the Text Key.
Distribution
NW+C Europe, north Africa.
(For more information see module IdentifyIt – file: Orthocladiinae).
Ecological notes
Stagnant water; commonest in the north.