Author: Fittkau, 1954
Diagnosis
Exuviae of type Neozavrelia pe1 (130-2.jpg)
Exuviae 1.8-2.3mm long (n=12).
Cephalothorax: Cephalic tubercles weakly rounded; frontal setae 38-78µm long (n=9). Antennal sheath base without a swelling. Thoracic horns very delicate, transparent, toothed apically, 140-200µm long; ThR 3.7-7.2 (n=8) (130f.jpg). Posterior thoracic mound swollen triangularly.
Abdomen: Length hook row II 0.56, 0.69x width tergite (n=2); hooks 87-123 (n=7). Tergites II-VI with an anterior pair of longitudinally oval point patches (130g.jpg); ArR II-VI 0.8-1.08 : 0.8-1.0 : 1.0 : 1.0-1.3 : 1.0-1.5 (n=10). Armament tergite IV strong, 50-85µm long (n=10). Comb of segment VIII 23-30µm wide (n=7); with 5-11 marginal teeth (n=9) (130h.jpg). Lateral taeniae absent.
Anal segment: Fringe of anal lobe with 6-13 long brown taeniae (n=11). Each anal lobe strongly darkened, bearing dorsally on its posterior third small dark points (130h.jpg).
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 376: Tanytarsini 19 Neozavrelia of the Text Key.
Distribution
Widespread in Europe (not Fennoscandia).
(For more information see module IdentifyIt – file: Chironominae).
Ecological notes
Streams and lakes.