Microtendipes rydalensis

Author: (Edwards, 1929)

Exuviae 5.2, 5.4mm long (n=2).
Cephalothorax: Cephalic tubercles strongly domed, 50µm long; length 0.36x breadth (n=1); frontal setae absent (123g.jpg). Thoracic horn 4-branched, branches much shorter than half the length of the abdomen. Thorax with conspicuously large granules near suture (112b.jpg).
Abdomen: Hooks of hook row II 55, 67 (n=2). Apical point bands present on segments III and IV (123h.jpg). Pedes spurii B of segment II absent. Vortex present. Comb of segment VIII present (123i.jpg). Lateral taeniae of segments V-VIII: 3,4,4,4.
Anal segment: Fringe of anal lobe with 40-52 taeniae (n=2).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 286: Chironomini 183 Microtendipes of the Text Key.

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

Ecological notes