Tanypus vilipennis

Author: (Kieffer, 1918)

Exuviae 7.1-10.1mm long (m=9.0mm, n=23).
Cephalothorax: Thoracic horn 730-1010µm long (m=894µm, n=20); ThR 1.37-1.90 (m=1.64, n=11).
Abdomen: No dark mark on segment I. Armament of tergite II of strong points, posteriorly on each side of mid-line about twice as long as broad; the most posterior points on each side not arranged in transverse rows. VIII projecting laterally posteriad by 1.26-1.51x length segment VIII (m=1.42, n=23) and more acutely pointed (004g.jpg). Lateral taeniae restricted to segments VII (6/7) and VIII (5/4).
Anal segment: Anal lobes short, rounded, the margins smooth, shorter than the median length of segment VIII (0.5-0.83:1) (004e.jpg). Anal lobe ratio 1.06-1.27 (m=1.13, n=23).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 17: Tanypodinae 3 Tanypus of the Text Key.

Holarctic species: widespread in Europe, eastern Mediterranean.
(For more information see module IdentifyIt – file: Other subfamilies).

Ecological notes
Ditches and ponds.
Larvae in muddy sediments of slow-flowing or stagnant waters in lowland and secundary mountains (Janecek, 1999a).