Fleuria lacustris

Author: Kieffer, 1924

Diagnosis (Material leg. C. Lindegaard)
Exuviae 7.6-8.9mm long (m=8.3mm, n=16) (098-1.jpg).
Cephalothorax: Cephalic tubercles single, 102-200µm long (m=172.6µm, n=12); frontal setae 145-175µm long (m=156.6µm, n=8) (098b.jpg). Thoracic horn much branched.
Abdomen: Length hook row II 0.54-0.63x width tergite (n=7); hooks 72-97 (n=12) (098c.jpg). Conjunctives III/IV-V/VI armed with points. Sternites IV-VI without mounds and stiff setae. Comb of segment VIII absent. Lateral taeniae of segments V-VIII: 4,4,4,5.
Anal segment: Fringe of anal lobe with 73-100 taeniae (m=86.6, n=15) (098d.jpg).

Species keys out at Page 134: Chironomini 31 Fleuria of the Text Key.

Widespread in continental Europe.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Ponds: fresh and slightly saline water.