Cryptochironomus supplicans

Author: (Meigen, 1830)

Exuviae 8.9-11.6mm long (m=10.1mm, n=17) (113-1.jpg).
Cephalothorax: Cephalic tubercles 275-515µm long (m=393µm, n=10); 2.3-5.4x higher than broad (n=9) (113b.jpg). Dorsal anterior thoracic mound absent (149k.jpg), posterior thoracic mound present (113c.jpg).
Abdomen: Hook row II medially interrupted to nearly entire (113d.jpg), length of row 0.26-0.34 (0.02-0.09 gap) 0.26-0.34x width tergite (n=9). Tergites II-VII with a complete posterior transverse row or narrow band of strong points; points III-VII: 31-92, 41-78, 37-69, 28-66, 31-71 (n=10). Comb of segment VIII absent. Lateral taeniae of segments V-VIII: 4,4,4,5.
Anal segment: Fringe of anal lobe with 66-138 taeniae (n=9) (113e.jpg).

Species keys out at Page 355: Chironomini 252 Cryptochironomus of the Text Key.

Palaearctic species: widespread in Europe.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Stagnant and running water.