Pseudorthocladius berthelemyi

Author: Moubayed, 1988

Exuviae 3.5-4.0mm long (n=12).
Cephalothorax: Thoracic horn absent.
Abdomen: Anterior transverse tooth rows restricted to tergites II-V (067g.jpg), represented on tergites VI-VIII by a medially widely broken band of small points. Sternites VI-VIII with a small patch of points anteriorly each side of mid-line.
Anal segment: Anal lobe ratio 2.7-3.5 (n=6). Anal lobes without fringe; lobes drawn out posteriorly into a downwardly curved point: the anal macrosetae arise vertically from the upturned margin before the apex of the lobes; crest reduced to a few small points near base or absent (067h.jpg) (in mounts the anal projections may be splayed out on each side). Length of anal macrosetae 98-113µm long (n=6), 0.29-0.32x length of the anal lobe (n=6).
(Linked adult male: Moubayed, 1988a)

Species keys out at Page 813: Orthocladiinae 225 Pseudorthocladius of the Text Key.

Circum-Mediterranean to C Europe.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes