Form described by Fittkau, 1962
Diagnosis (Material in coll. ZSM)
Exuviae about 3mm long (n=1).
Cephalothorax: Thoracic horn 215, 255µm long (n=2), with rounded basal tubercle; ThR 4.8, 4.9 (n=2). Plastron plate 27x13, 37x20µm; 0.13, 0.15 times horn length; 3.0, 5.0 times width neck; 0.3, 0.38 times maximum width rim (n=2). Rim maximum diameter 83, 100µm; 0.39, 0.4 times horn length; 1.9x as long as the horn is wide (n=2) (025i.jpg). Atrium of thoracic horn thin-walled, joined to the plastron plate by a short straight neck; width 0.52, 0.71 times horn width. Thorax granulate. Thorax comb well-developed, composed of strong, more or less parallel-sided teeth.
Abdomen: Tergite I with a median mark. Segment VII transversely rectangular. Four lateral taeniae on segment VII, the anterior lateral taenia at 0.38, 0.5 of length segment VII (n=2). Anterior lateral taenia of segment VIII at 0.25, 0.36 of length segment VIII (n=2).
Anal segment: Anal lobes without a thickened lateral edge, toothed externally only. Anal lobe ratio 3.1, 3.5 (n=2). Insertion of anterior anal taenia not beyond 0.45 lobe length. Insertion of anterior anal taenia at 0.36, 0.37 of lobe length (n=2).
Form keys out at Page 91: Tanypodinae 77 Paramerina of the Text Key.
Distribution
Circum-Mediterranean.
(For more information see module IdentifyIt – file: Other subfamilies).
Ecological notes
Running water.