Xenopelopia falcigera

Author: (Kieffer, 1911)

Diagnosis (n=2, wild caught)
Exuviae 5.2, 5.5mm long.
Cephalothorax: Thoracic horn 505, 515µm long, with basal tubercle rounded. Plastron plate length 195, 165µm long, length 0.38, 0.32 times horn length; rim absent. Atrium of thoracic horn narrow and with exceedingly thickened wall, strongly sinuous before joined to the plastron plate by a twisted neck (022f.jpg). Thorax smooth. Thorax comb well-developed, composed of strong, more or less parallel-sided teeth.
Abdomen: Tergite I with a median mark. Armament of sternite VII with a smaller medial bare area, restricted to the posterior half. Segments VI-VIII with contrasting paler lateral margins (difficult to appreciate in pale examples). Segment VII transversely rectangular; anterior lateral taenia of at 0.4 of length segment VII.
Anal segment: Anal lobes without a thickened lateral edge; lobes toothed externally only. Anal lobe ratio 3.1, 3.2. Insertion of anterior anal taenia not beyond 0.45 lobe length.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 86: Tanypodinae 72 Xenopelopia of the Text Key.

Widespread in Europe.
(For more information see module IdentifyIt – file: Other subfamilies).

Ecological notes
Ponds and ditches.