Krenosmittia camptophleps

Author: (Edwards, 1929)

Exuviae 2.2-2.6mm long (m=2.4mm, n=9) (056-1.jpg).
Cephalothorax: Thoracic horn elongate, 225-445µm long (m=306µm, n=7), narrow, closely transversely wrinkled and with minute points for most of its length (056b.jpg); ThR 10.2-17.8 (m=12.8, n=7).
Abdomen: Tergites (II)III-VIII with a posterior transverse row of teeth elevated on a ridge of cuticle, medially broken on tergites (II)III-VII, continuous on tergite VIII. Tergites IV-VI without a distinct circular antero-median point patch. Abdominal segments with four lateral setae, one of which may be small (056c.jpg).
Anal segment: Horns of segment IX very long, longer than the anal segment (056d.jpg). Anal lobes with setae.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 735: Orthocladiinae 147 Krenosmittia of the Text Key.

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

Ecological notes
Northern and montane lakes, streams and rivers.