Paratanytarsus abiskoensis

Author: Reiss and Säwedal, 1981

Diagnosis (n=1, paratype in coll. ZSM)
Exuviae 4.0mm long.
Cephalothorax: Cephalic tubercles rounded mounds. Thoracic horn 425/525µm long; ThR 10.5/12.1. Thoracic horn seta 30/38µm long. Dorsocentral setae 2, 3 and 4 forked or branched.
Abdomen: Tergite III with a patch of spines on each side in the posterior half; IV with a single, broad oval antero-median point patch, point patches of V paired (133c.jpg). Comb of segment VIII 23µm wide; with 5/7 marginal teeth. Lateral taeniae of segments IV-VIII: 2,3,2/3,4,4/5.
Anal segment: Fringe of anal lobe with 29/32 taeniae.

Species keys out at Page 386: Tanytarsini 29 Paratanytarsus of the Text Key.

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

Ecological notes
A small tarn in northern Sweden.