Form described by Langton, 1991
Diagnosis
Exuviae 5.5-6.7mm long (n=3).
Cephalothorax: Thoracic horn much branched.
Abdomen: Hook row II entire, length of row 0.38x width tergite (n=1). 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. Tergites II and III in addition to the trapezoidal point patch with the antero-lateral corners filled with small points. Stout points nearly always present on conjunctive V/VI (104j.jpg). Sternites I and II or I-III without transverse rows of backwardly directed colourless spines. Comb of segment VIII of 1 thorn set on the lateral margin near the apico-lateral corner. Lateral taeniae of segments V-VIII: 4,4,4,5. Lateral 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 38-60 taeniae (n=5).
Form keys out at Page 217: Chironomini 114 Dicrotendipes of the Text Key.
Distribution
(For more information see module IdentifyIt – file: Chironominae).
Ecological notes
Brackish water; eastern England, Holland.