Epoicocladius ephemerae

Author: (Kieffer, 1924)

Diagnosis (n=2)
Exuviae 3.0, 3.6mm long (054-1.jpg).
Cephalothorax: Thoracic horn 132, 145µm long (054b.jpg); ThR 1.9, 1.8.
Abdomen: Lateral margins of abdominal segments hairy, segments II-VI with two setae amongst the hairs (054c.jpg). Tergites II-VII dorsally with an anterior and two posterior groups of small points. Tergites IV-VI without a distinct circular antero-median point patch.
Anal segment: Anal lobe ratio 2.6; fringe absent (054d.jpg).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 731: Orthocladiinae 143 Epoicocladius of the Text Key.

Palaearctic species: widespread in Europe.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
Streams; larvae live among the gills of Ephemera nymphs.