Author: Michiels and Spies, 2002
Diagnosis (n=12)
Exuviae 5.1-6.3mm long (m=5.6mm).
Cephalothorax: Thoracic horn 285-395µm long (m=338µm); ThR 1.8-3.0 (m=2.6). Plastron plate 118x55-215x120µm, length 0.36-0.54 of horn length (m=0.45). Rim 170x70-225x95µm. Thorax tuberculate in the region of the thorax comb; anterior to this usually without tubercles, but occasionally with a small patch of very small tubercles close to the anterior margin. Thorax comb reduced to large rounded or pointed tubercles. (015h.jpg ; 016h.jpg)
Abdomen: Armament of simple and forked spinules only. Armament of tergite VIII narrowly broken medially by a longitudinal bare strip, which may be developed only anteriorly or posteriorly. Anterior lateral taenia of segment VII at 0.51-0.64 of length segment VII (m=0.59) (016i.jpg). Anterior lateral taenia of segment VIII at 0.48-0.56 of length segment VIII (m=0.51).
Anal segment: Anal lobes strongly swollen internally (015i.jpg). Anal lobe ratio 2.0-2.3. Insertion of anterior anal taenia at 0.44-0.49 of lobe length (m=0.46).
Form keys out at Page 61: Tanypodinae 47 Conchapelopia of the Text Key.
Distribution
W Europe and NW Africa.
(For more information see module IdentifyIt – file: Other subfamilies).
Ecological notes
Rivers.