Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 457. Tanytarsini 98 Tanytarsus

457a. Anal lobe with less than 20 fringe taeniae (at exuvial length 3.8mm). Comb of segment VIII on a transverse cushion-like pad.

Tanytarsus pe4b

457b. Anal lobe with more than 20 fringe taeniae. Comb of segment VIII on a flat extension of the corner of the segment.

Step 458. Tanytarsini 99 Tanytarsus
Decision path