Author: (Meigen, 1818)
Diagnosis
Exuviae 5.5-8.3mm long (m=6.5mm, n=21).
Cephalothorax: Thoracic horn much branched. (104i.jpg , frontal apotome and cephalic tubercle).
Abdomen: Hook row II entire, length of row 0.29-0.52x width tergite (n=7). 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. Conjunctive V/VI with 7-31 stout points (m=17.4, n=21) (104j.jpg). Sternites I and II or I-III without transverse rows of backwardly directed colourless spines. Comb of segment VIII of 1-5 usually brown thorns (m=1.9, n=44), set on the lateral margin near the apico-lateral corner. Lateral taeniae of segments V-VIII: 4,4,4,4/5; taeniae 4 and 5 of segment VIII more or less transversely placed with the comb arising between or just behind them.
Anal segment: Fringe of anal lobe with 49-69 taeniae (m=55, n=23).
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 217: Chironomini 114 Dicrotendipes of the Text Key.
Distribution
Widespread in Europe.
(For more information see module IdentifyIt – file: Chironominae).
Ecological notes
Montane lakes; lowland pools and ditches.