Paratanytarsus tenellulus

Author: (Goetghebuer, 1921)

Exuviae 3.3-4.2mm long (n=6) (131-1.jpg).
Cephalothorax: Thoracic horn 555-900µm long; ThR 14.6-27.2 (n=5). Thoracic horn beset with small setulae, 30-50µm long, from near base to apex (131b.jpg).
Abdomen: Armament of tergite III Micropsectra-like. Tergites IV and V each with an anterior narrow semicircular transverse dark band of points extending across the tergite (131c.jpg). Comb of segment VIII 13, 14µm wide (n=2) (131d.jpg). Lateral taeniae of segments IV-VIII: 0(1),2(3),3(2,4),4,5.
Anal segment: Fringe of anal lobe with 25-38 taeniae (n=6) (131d.jpg).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 378: Tanytarsini 21 Paratanytarsus of the Text Key.

Widespread in Europe, north Africa.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes