Polypedilum pe13

new form

Diagnosis (Coll. D. Calle Martinez)
Exuviae 3.0-4.2mm long (n=3).
Cephalothorax: Cephalic tubercles shallow, rounded humps. Frontal setae absent? Thoracic horn with 7 or 8 branches, one much longer than the rest.
Abdomen: Hook row II extended laterad to tergite margin by many small points. Tergites and sternites VII and VIII with extensive point patches. Armament of tergite VII medially interrupted. Sternite I without 2 antero-lateral armed humps. Pedes spurii B II absent. Comb of segment VIII a brown spur. All lateral setae fine and hair-like, segments II-VIII: 2,2,3,3,3,3,3.
Anal segment: Fringe of anal lobe with 16-28 taeniae (n=3).

Form keys out at Page 301: Chironomini 198 Polypedilum of the Text Key.

(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Rivers and streams, southern Spain.