Corynoneura carriana

Author: Edwards, 1924

Diagnosis (in part after Hirvenoja and Hirvenoja, 1988a - in italics)
Exuviae 1.6-2.8mm long (m=2.1mm, n=20) (036-1.jpg).
Cephalothorax: Frontal setae long and taeniate; 4-5µm wide, 165-220µm long. Dorsocentral seta 3 long and taeniate; about 4µm wide, 120-150µm long. Eclosion line weakly granulate. 2-3 short pearl rows.
Abdomen: Tergite armament of minute points. Shagreen starts on sternite II; II with long colourless spinules, 10µm or more long. Sternite VI usually poorly armed, small points may be grouped in twos or more rarely threes interspersed with larger isolated points.
Anal segment: Anal lobe ratio 1.3-1.8 (m=1.5, n=19). Anal fringe complete, with 32+1 to 50+1 taeniae (m=41.5+1, n=26). Apical setae of anal lobes taeniate, anterior apical seta at taeniae 10-24 (m=18, n=24). Male genital sheaths reach posterior margin of anal lobes, female genital sheaths do not reach bases of median anal macrosetae.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 608: Orthocladiinae 20 Corynoneura of the Text Key.

Widespread in Europe, north Africa.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
Ponds and pools.