Dicrotendipes tritomus

Author: (Kieffer, 1916)

Exuviae 5.9-7.0mm long (n=5).
Cephalothorax: Cephalic tubercles conical, with an evenly swollen base. Thoracic horn much branched.
Abdomen: Hook row II entire, length of row 0.49, 0.50x width tergite (n=2); hooks 86-107 (n=3). Armament of tergites II-VI in the form of an undivided, usually extensive patch of strong points, the points in each segment increasing in size posteriorly, but on VI the patch is more or less reduced. Antero-lateral points of tergites IV-VI strong, as strong as the median points, each set on a small cuticular mound (104k.jpg). Tergites without long spines posteriorly. Sternites I and II or I-III with transverse rows of backwardly directed colourless spines. Comb of segment VIII of 1-3 teeth, set on the end of an apico-lateral extension of the segment. Lateral taeniae of segments V-VIII: 4,4,4,4.
Anal segment: Fringe of anal lobe with 46-60 taeniae (m=52, n=6).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 215: Chironomini 112 Dicrotendipes of the Text Key.

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

Ecological notes
Montane lakes; lowland ponds.