Krenosmittia boreoalpina

Author: (Goetghebuer, 1944)

Diagnosis (n=2)
Exuviae 2.0, 2.1mm long.
Cephalothorax: Thoracic horn short, 170, 175µm long (056e.jpg); ThR 5.7, 6.4.
Abdomen: Tergites (II)III-VIII with a posterior transverse row of teeth elevated on a ridge of cuticle, broken medially only on tergites III-V(VI), continuous across tergite on (VI)VII, VIII. Tergites IV-VI without a distinct circular antero-median point patch. Lateral margins of abdominal segments without a hair fringe.
Anal segment: Horns of segment IX only as long as the anal segment (056f.jpg). Anal lobes with setae.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 734: Orthocladiinae 146 Krenosmittia of the Text Key.

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

Ecological notes
Northern and montane streams.

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