Limnophyes brachytomus

Author: (Kieffer, 1922)

Diagnosis (n=1)
Exuviae 3.2mm long.
Cephalothorax: Thoracic horn reduced to a small tubercle. Precorneal setae small. Thorax more or less smooth.
Abdomen: Tergites generally covered with small points, larger anteriorly. Tergites I(II)-VIII with at least the posterior margin armed with long narrow spines. Tergite IV with 81 long spines posteriorly; VI with 58. Longest spine on IV 57µm; on VI 65µm. Tergite VIII small-toothed. Paratergite IV unarmed. Pedes spurii A absent. Lateral setae of segment IV 135µm long. Segment VIII with 5 long lateral setae, fourth seta 150µm long.
Anal segment: Anal macrosetae of anal lobes long, 0.96x lobe length, thin and usually curved. Anal lobes smooth, without fringe.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 754: Orthocladiinae 166 Limnophyes of the Text Key.

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

Ecological notes