Author: (Walker, 1856)
Diagnosis (n=1)
Exuviae 6.7mm long (117-1.jpg).
Cephalothorax: Cephalic tubercles with swollen base and with a short conical apex, apex 40µm long. Frontal setae 20µm long. Cephalic tubercles with swollen base and with or without a short conical apex, usually with some small points; frontal setae short (117b.jpg). Thoracic horn very much branched, branches much shorter than half the length of the abdomen. Thorax with conspicuously large granules near suture (112b.jpg).
Abdomen: Length hook row II 0.59x width tergite; hooks 60. Armament of tergites II-VI with anterior transverse point bands, points not conspicuously stronger; anterior transverse point bands separated from the median patches by a bare space (117c.jpg). At least segments III and IV with an apical band of points. Pedes spurii B II present. Vortex present. Comb of segment VIII with 6/8 teeth. Lateral taeniae of segments V-VIII: 3,3,4,(4)5.
Anal segment: Fringe of anal lobe with 77/84 taeniae (117d.jpg).
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 275: Chironomini 172 Tribelos of the Text Key.
Distribution
Widespread in Europe.
(For more information see module IdentifyIt – file: Chironominae).
Ecological notes
Lakes.