Author: Murray, 1976
Diagnosis (n=5)
Exuviae 5.2-6.6mm long. Colour brown.
Cephalothorax: Thoracic horn 220-345µm long, moderately to broadly swollen apically; ThR 3.4-4.6. Proximal part of horn lumen sinuous (012d.jpg).
Abdomen: Armament of tergite I antero-laterally of tapering spinules, but mid-laterally in particular composed of truncate spinules, clawed apically when resolved under high power (012e.jpg). Lateral taeniae of segments I-VIII 5,6,6,6,6,6,5,5. Anterior lateral taenia of segment VII at 0.22-0.25 of length segment VII. Anterior lateral taenia of segment VIII at 0.46-0.61 of length segment VIII.
Anal segment: Anal lobe ratio 1.9-2.1. Insertion of anterior anal taenia at 0.43-0.51 of lobe length.
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 48: Tanypodinae 34 Thienemannimyia of the Text Key.
Distribution
NW Europe.
(For more information see module IdentifyIt – file: Other subfamilies).
Ecological notes
Rivers and lakes.