Thienemannia libanica

Author: Laville and Moubayed, 1985

(See Laville and Moubayed, 1985a)
Exuviae small, less than 6mm long.
Abdomen: Tergites without longitudinal ridges posteriorly. Tergites II-VII or II-VIII each with a posterior transverse row of teeth which may be flattened and contiguous, without a similar anterior transverse row. Teeth of the posterior transverse row elongate and separate from each other. Tergites VII and VIII with median point patches, more or less circular, best developed on segment VIII.
Anal segment: Anal lobes flat, without strong teeth along the lateral margins and not extended posteriorly into a downwardly curved point. Anal lobes without fringe; with three apical setae which may be very reduced and difficult to see.
(Linked adult male: Laville and Moubayed, 1985a)

Species keys out at Page 777: Orthocladiinae 189 Thienemannia of the Text Key.

Northern Mediterranean.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
A montane torrent, Lebanon.