Author: Reiss, 1969
Diagnosis (Material in coll. ZSM)
Exuviae 2.8, 3.0mm long (n=2).
Cephalothorax: Cephalic tubercles rounded mounds; frontal setae 70, 110µm long (n=2). Antennal sheath base with a barely perceptible swelling. Thoracic horn 363µm long; ThR 14.5 (n=1). Posterior thoracic mound swollen hemispherically with a finger-like projection posteriorly. Pearl row absent.
Abdomen: Length hook row II 0.33x width tergite (n=1); hooks 79, 83 (n=2). Tergite II without anterior point patches. Tergites IV and V nearly covered with strong points, the points of the anterior transverse point patches similar in size but more dense than elsewhere on these segments and may be rendered conspicuous by a golden or brown colouring of the cuticle around them. Tergites VII and VIII with very restricted armament or smooth. Pleura of mid-abdominal segments extensively armed with small points. Pedes spurii B of segment II conspicuous. Comb of segment VIII 20, 25µm wide; with 1-5 marginal teeth (n=2). Lateral taeniae of segments IV-VIII: 2,3,4,4,5.
Anal segment: Anal lobe ratio 0.96, 1.18. Fringe of anal lobe complete, with 22-24 taeniae. (n=2).
Species keys out at Page 503: Tanytarsini 144 Micropsectra of the Text Key.
Distribution
W Europe.
(For more information see module IdentifyIt – file: Chironominae).
Ecological notes
Larvae in moss on stones in fast flowing water of montane streams.