Tanytarsus pe16

Form described by Langton, 1991

Diagnosis (n=1)
Exuviae 3.6mm long.
Cephalothorax: Cephalic tubercles flat mounds. Frontal setae 60µm long. Antennal sheath base with a small blunt conical projection. Thoracic horn broken, without long setulae. Wing sheaths rounded apically, pearl row absent.
Abdomen: Length hook row II 0.39x width tergite; hooks 68. Tergite II without anterior point patches. Spine bands of tergite III without an external border of points, any lateral points restricted to the anterior half of the spine band. Armament of tergite IV of points and spines. Longest spine III 50µm long, IV 18µm long. Tergites IV and V with the armament arranged in longitudinal bands. Armament of tergite IV 150µm long. ArR III-VI 0.92 : 1.0 : 0.67 : 0.4. Pedes spurii B II absent. The postero-lateral corner of segment VIII bears a comb of teeth. Lateral taeniae of segments V-VIII: 0,0,0,4 (the second much thinner than the other three).
Anal segment: Anal lobe ratio 1.3. Fringe of anal lobe with 20/21 taeniae, forming a complete series beginning near the anterior edge of the lobes.

Form keys out at Page 447: Tanytarsini 88 Tanytarsus of the Text Key.

(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
"Königsee üfer bei Grünseequellen."