Dicrotendipes nervosus

Author: (Staeger, 1839)

Exuviae 5.7-7.0mm long (m=6.3mm, n=28).
Cephalothorax: Thoracic horn much branched.
Abdomen: Hook row II entire, length of row 0.45-0.56x 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. Stout points absent on conjunctive V/VI. Sternites I and II or I-III without transverse rows of backwardly directed colourless spines. Segment VIII with a stout tooth (or occasionally two) on the apex of a rounded postero-lateral extension of each apico-lateral corner; this yellow tooth is frequently accompanied by smaller, basal, usually adpressed teeth (104l.jpg). Lateral taeniae of segments V-VIII: 4(3),4,4,4.
Anal segment: Fringe of anal lobe with 49-74 taeniae (m=61, n=42).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 219: Chironomini 116 Dicrotendipes of the Text Key.

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

Ecological notes
Montane and northern lakes; southern drains, ditches, ponds and slow flowing rivers.