Stilocladius montanus

Author: Rossaro, 1979

Diagnosis (Material in coll. Rossaro)
Exuviae 2.5-3.6mm long (n=3) (068-1.jpg).
Cephalothorax: Thoracic horn elongate, weakly toothed (068b.jpg); horn 225-293µm long; ThR 4.7-6.5 (n=3).
Abdomen: Hook row and pedes spurii B II present. Tergites III-VIII armed with points which form an urn-shaped patch widest anteriorly, narrowing past the anterior adhesion marks towards setae D5, there expanding to the width of the tergite; on VII and VIII greatly reduced in extent and size of points; apical point bands present on tergites III and IV (068c.jpg).
Anal segment: Anal lobe ratio 2.4, 2.7 (n=2). Anal lobes without fringe. Length of anal macrosetae 0.59, 0.72x length of the anal lobe (n=2) (068d.jpg , 068e.jpg).

Species keys out at Page 820: Orthocladiinae 231 Stilocladius of the Text Key.

West Palaearctic: C+S Europe.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
Cold montane springs.