Polypedilum nubifer

Author: (Skuse, 1889)

Diagnosis (Material in coll. ZSM)
Exuviae 5.7, 6.3mm long (n=2).
Cephalothorax: Cephalic tubercles long conical, 90, 100µm high (n=3) (124n.jpg). Frontal setae 40µm long (n=2). Thoracic horn few to many branched, branches of thoracic horn much shorter than half the length of the abdomen. Thorax with conspicuously large granules near suture (112b.jpg).
Abdomen: Length hook row II 0.55, 0.61x width tergite (n=2); hooks 74-89 (n=3) (124m.jpg). 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. Median point bands present on tergites II and III. Tergite VII without trace of a median point patch. Apical point bands distinct, present on segments III, IV and V. Sternite I without two antero-lateral armed humps. Pedes spurii B II well-developed. Conjunctives with points no larger than those of the anterior transverse bands of the tergites. Vortex present. Comb of segment VIII a long golden-brown spur with 5-10 large lateral teeth, 1-3 small internal teeth (124o.jpg). Segment IV without lateral taeniae; V-VIII with well-developed lateral taeniae, no more than three lateral taeniae on V.
Anal segment: Anal lobes with a dorsal seta set towards the inner edge of the lobe. Fringe of anal lobe with 50-70 taeniae (n=3).

Species keys out at Page 318: Chironomini 215 Polypedilum of the Text Key.

Distribution
Palaearctic species: Circum-Mediterranean.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Ditches, pools, artificial ponds.

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