Tanytarsus pe14

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; armament of small points, a pair of longitudinal bands joined anteriorly and often posteriorly; narrowest medially, leaving a broad median bare space. Spine bands of tergite III without an external border of points, any lateral points restricted to the anterior half of the spine band. Tergite IV with spines in anterior half as long as those posteriorly (140g.jpg). 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.

Note: Similar to Tanytarsus buchonius both as adult and pupa. The pupal exuviae also has similar armament on tergite II to that of buchonius (see note under Tanytarsus pallidicornis).

Form keys out at Page 452: Tanytarsini 93 Tanytarsus of the Text Key.

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

Ecological notes
Islands of Crete and Rhodes.