Author: Kieffer, 1908
Diagnosis (n=1, wild)
Exuviae 5.5mm long (042-1.jpg).
Cephalothorax: Thoracic horn 325µm long, small-toothed, broad and apically rounded (042b.jpg); ThR 3.8.
Abdomen: Tergites II-VIII extensively shagreened, without a median transverse row of strong points; III-VIII without posterior swellings; tergites III-VI posteriorly without larger points. Pedes spurii B well-developed. No lateral taeniae on segments III-VI. Three or four lateral setae on segments II-VI, not taeniate; lateral taeniae of segment VII 4, VIII 5.
Anal segment: Anal lobe ratio 2.0. Fringe of anal lobe with 51 taeniae. Three anal macrosetae (042c.jpg).
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 650: Orthocladiinae 62 Trissocladius of the Text Key.
Distribution
Palaearctic species: widespread in Europe, north Africa.
(For more information see module IdentifyIt – file: Orthocladiinae).
Ecological notes
Flooded paths and banks of ponds; early Spring.