Cryptochironomus denticulatus

Author: (Goetghebuer, 1921)

Diagnosis (n=4)
Exuviae 6.0-7.8mm long.
Cephalothorax: Cephalic tubercles 100-135µm long, length 1.2-2.3x breadth.
Abdomen: Hook row II medially interrupted with the gap wider than the length of the row on one side (113q.jpg), length of row 0.16-0.2 (0.2-0.21 gap) 0.13-0.2x width tergite. Tergites I-VIII/IX are covered with reticulation, at least tergites I-V with obvious continuous reticulation; reticulation of tergites and sternites thin walled. Tergites II-VI(VII) with a complete posterior transverse row or narrow band of strong points; points III-VIII: 31-44, 33-40, 28-35, 24-34, 0-20, 0; points ventral posterior rows III-VIII: 25-35, 22-36, 22-32, 25-33, 0-28, 0. Comb of segment VIII absent. Lateral taeniae of segments V-VIII: 4,4,4/3,5.
Anal segment: Fringe of anal lobe with 41-60 taeniae. Forked anal processes present (113e.jpg).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 351: Chironomini 248 Cryptochironomus of the Text Key.

NW+C Europe.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes