Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 440. Tanytarsini 81 Tanytarsus

440a. Only 1 lateral taenia on segment VIII (139g.jpg). Armament of tergite III of spines, IV of spines or points, V and VI of points (139f.jpg). (Cephalic tubercles short conical. Antennal sheath base with a conical swelling, as high as broad. Posterior thoracic mound conspicuously swollen.)

Tanytarsus quadridentatus

440b. Segment VIII with 3, 4 or 5 lateral taeniae OR anterior point patches present on tergites II-VI.

Step 441. Tanytarsini 82 Tanytarsus
Decision path