Tribelos pe1

new form

Diagnosis
Exuviae 5.2-6.3mm long (m=5.8mm, n=10).
Cephalothorax: Cephalic tubercles with swollen base, with neither conical apex nor frontal seta. Thoracic horn with many short branches.
Abdomen: Hook row II 0.45-0.52x width tergite II (n=6); hooks 37-52 (m=42.8, n=9). Anterior transverse point band of tergites II-V separate from the median patch by a bare space or narrowly joined to it medially. Pedes spurii B II present. Comb of segment VIII with 1-7 teeth. Lateral taeniae of segments V-VIII: 3,3,4,4.
Anal segment: Fringe of anal lobe with 37-59 taeniae (m=50.1, n=10).

Form keys out at Page 275: Chironomini 172 Tribelos of the Text Key.

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

Ecological notes
Pool, 1230m asl.

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