Virgatanytarsus arduennensis

Author: (Goetghebuer, 1922)

Diagnosis (n=1)
Exuviae about 4.0mm long.
Cephalothorax: Thoracic horn 325µm long; ThR 9.8. Pearl row absent.
Abdomen: Tergites IV and V with the armament arranged in longitudinal bands. Point bands of tergite IV armed with spines internally (137e.jpg); tergite III may be similarly armed but with fewer and shorter spines. Longest spine III 45µm long; IV 50µm long. Postero-lateral comb of segment VIII 85µm wide, very straight; with 15 marginal small teeth (137d.jpg). Segment VII with three lateral taeniae.
Anal segment: Fringe of anal lobe with 36/37 taeniae.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 429: Tanytarsini 71 Virgatanytarsus of the Text Key.

Distribution
Widespread in Europe, circum-Mediterranean.
(For more information see module IdentifyIt – file: Chironominae).

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