Parachironomus varus

Author: (Goetghebuer, 1921)

Exuviae 7.1, 10.0mm long (n=2).
Cephalothorax: Cephalic tubercles short and broad. Thoracic horn much branched. Thorax with a band of granules near suture. Posterior thoracic mound broadly swollen posteriorly, weakly swollen anteriorly. Thorax with conspicuously large granules near suture (112b.jpg). Posterior thoracic mound not strongly swollen anteriorly and without a long conical posterior projection.
Abdomen: Tergite armament of Parachironomus-pattern, but tergite II usually has a posterior transverse point band. Hook row II on the posterior edge of a projecting flap of the tergite (110g.jpg); length of row 0.36x width tergite (n=1). Posterior points of tergite VI conspicuously larger than those preceding. Sternite I without toothed humps. Sternite II with an anterior and a posterior transverse point band indicated. Vortex present. Vortex present. Comb of segment VIII absent. Lateral taeniae of segments V-VIII: 4,4,4,5.
Anal segment: Fringe of anal lobe with 145, 212 taeniae (n=2).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 256: Chironomini 153 Parachironomus of the Text Key.

Holarctic species: widespread in Europe (not Mediterranean).
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Stagnant water.