Odontomesa fulva

Author: (Kieffer, 1919)

Diagnosis (n=3)
Exuviae 6.2-6.6mm long (033-2.jpg).
Cephalothorax: Thoracic horn 685-700µm long; ThR 3.0. (033e.jpg)
Abdomen: Segment VIII laterally projecting strongly to the rear. Abdominal segments without lateral fringe. Lateral taeniae of segments VII and VIII: 4,4; not branched.
Anal segment: Anal lobes elongate, narrowed to apex, with five anal macrosetae (033f.jpg). Anal lobe ratio 2.1-2.5. Fringe of anal lobe with 62-66 taeniae.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 585: Prodiamesinae 3 Odontomesa of the Text Key.

Holarctic species: widespread in Europe, NW Africa.
(For more information see module IdentifyIt – file: Other subfamilies).

Ecological notes
Lakes, slow flowing drains and dykes.
Larvae in cool streams with organically enriched sediment, also in weirs with cleaner, more stable sediments (Janecek, 1999a).