Polypedilum arundineti

Author: (Goetghebuer, 1921)

Exuviae 3.7-5.5mm long (n=6) (123-1.jpg).
Cephalothorax: Cephalic tubercles shallow, rounded, without seta (123b.jpg). Thoracic horn of a few (about 10) branches. Thorax with conspicuously large granules near suture (112b.jpg).
Abdomen: Length hook row II 0.64x width tergite (n=1); hooks 66, 68 (n=2). Tergites II-VI with obvious anterior transverse bands of points stronger than those of the median patch with which they may be confluent for the tergite width. Apical point band of tergites III and IV indistinct, continuous with the posterior band, of similar sized but forward-directed points (123d.jpg). Sternite I without two antero-lateral armed humps. Pedes spurii B II absent. Vortex present. Comb of segment VIII a toothed spur (123e.jpg ; 123f.jpg). Lateral taeniae of segments V-VIII: 3,3,4,4.
Anal segment: Fringe of anal lobe with 13-19 taeniae (n=9) (123f.jpg).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 304: Chironomini 201 Polypedilum of the Text Key.

Palaearctic species: widespread in Europe, north Africa.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Stagnant water; more common in northern and montane regions.