Thienemannimyia geijkesi

Author: (Goetghebuer, 1934)

Diagnosis (n=4 unless stated otherwise)
Exuviae 6.2-7.0mm long.
Cephalothorax: Thoracic horn 182-286µm long, narrow club-shaped, widened from base to the rounded apex; ThR 3.3-4.8.
Abdomen: Tergite I granulate/tuberculate, resembling thoracic armament (012h.jpg). Lateral taeniae of segments I-VIII 3,6,6,6,6,6,5,5 (013r.jpg). The fourth lateral taenia of segments II-VI smaller and narrower than the rest. Lateral taeniae 5 and 6 of segments II-VI close together in the posterior corner. Anterior lateral taenia of segment VII at 0.28-0.31 of length segment VII (n=4). Anterior lateral taenia of segment VIII at 0.42-0.54 of length segment VIII.
Anal segment: Anal lobe ratio 1.9-2.0. Insertion of anterior anal taenia at 0.31 of lobe length (n=1).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 42: Tanypodinae 28 Thienemannimyia of the Text Key.

Widespread in Europe (not Scandiavian).
(For more information see module IdentifyIt – file: Other subfamilies).

Ecological notes
Streams, pits, lakes.