Author: (Kieffer, 1911)
Diagnosis (n=2)
Exuviae 3.1, 5.9mm long.
Cephalothorax: Thoracic horn elongate, 370, 400µm long, curved shortly after the base, more or less parallel-sided or widened towards apex, toothed; ThR 4.4. Plastron plate offset at horn apex, with a clear rim. Plastron plate 40x30, 45x38µm. Plastron plate length 0.11, 0.12 of horn length, 3.2, 3.6x width neck, 0.52, 0.62x maximum width rim. Atrium of thoracic horn thin-walled, not reduced, breadth 0.59-0.77 of horn breadth, at most a little undulate marginally. Thorax comb well-developed, composed of strong, more or less parallel-sided teeth.
Abdomen: Tergite I with a median mark. Anterior lateral taenia of segment VII at 0.43, 0.46 of length segment VII. Anterior lateral taenia of segment VIII at 0.28, 0.33 of length segment VIII. Abdominal segments with paler lateral margins. Tergite and sternite VIII with extensive shagreen, covering much, or all, the tergite. Pleura of tergites III-V with spinulation extending over most of the segment length.
Anal segment: Anal lobes toothed strongly both externally beyond the lateral taeniae and internally, both margins convexly narrowed to apex. Anal lobe ratio 3.1, 3.5. Insertion of anterior anal taenia at 0.32, 0.37 of lobe length.
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 100: Tanypodinae 86 Zavrelimyia of the Text Key.
Distribution
Widespread in Europe.
(For more information see module IdentifyIt – file: Other subfamilies).
Ecological notes
Springs, tarns and, less frequently, lakes.