Chironomus carbonarius

Author: Meigen, 1804

Diagnosis (Material in coll. ZSM)
Exuviae 6.3-7.3mm long (n=3).
Cephalothorax: Cephalic tubercles 125-155µm long (n=3). Frontal setae 140-200µm long (n=3). Frontal warts much smaller than the cephalic tubercles. Thoracic horn much branched.
Abdomen: Length hook row II 0.53x width tergite (n=1); hooks 68, 83 (n=2). Conjunctives III/IV, IV/V and V/VI armed with points. Sternite I at most with antero-lateral mounds weakly toothed (098i.jpg). Sternite IV posteriorly with a circular or elongate mound on each side bearing a stiff seta. Sternites V and VI posteriorly with a pair of smaller hemispherical mounds, each bearing a stiff seta. Comb of segment VIII absent. Lateral setae of segments V-VIII: 4,4,4,5.
Anal segment: Fringe of anal lobe with 64-83 taeniae (n=3).

Species keys out at Page 135: Chironomini 32 Chironomus of the Text Key.

Palaearctic species: widespread in continental Europe (not Scandinavia).
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Stagnant water.