Monodiamesa bathyphila

Author: (Kieffer, 1918)

Diagnosis (n=4)
Exuviae 10-11mm long (033-3.jpg).
Cephalothorax: Thoracic horn 840-885µm long; ThR 4.1-5.0. (033h.jpg)
Abdomen: Tergites without paired point patches. Abdominal segments fringed with a dense, fine, short hair fringe; lateral setae of segments VII and VIII branched (033-1.jpg).
Anal segment: Anal lobe ratio 1.6-1.7. Anal lobes without apical macrosetae, but a branched dorsal seta is present; lobes fringed with taeniate setae (033i.jpg).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 584: Prodiamesinae 2 Monodiamesa of the Text Key.

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

Ecological notes
Northern lakes.