Author: (Kieffer, 1911)
Diagnosis
Pupae of type Thienemanniella pe2b.
Exuviae 1.7-2.7mm long (n=6).
Cephalothorax: Thoracic horn and pearl row absent.
Abdomen: Tergite III armed with small points, IV and V with stronger points, and VI to VIII with small spinulate points no more than 5µm in length, progressively smaller on succeeding segments: on VIII arranged in short transverse or diagonal rows. Sternite II without spinules; if armed, then with minute points; posterior points of sternites III-VIII not conspicuously enlarged. Segments III-VIII with 4 lateral taeniae.
Anal segment: Anal lobe ratio 1.1-1.5 (m=1.4, n=5). Fringe of anal lobe with 36+1 to 56+1 taeniae (n=6). Apical setae of anal lobes cylindrical, hooked apically.
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 599: Orthocladiinae 12 Thienemanniella of the Text Key.
Distribution
Widespread in Europe.
(For more information see module IdentifyIt – file: Orthocladiinae).
Ecological notes
Streams.