Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 77. Tanypodinae 63

77a. Respiratory atrium thin-walled and much diverticulated (019e.jpg, 019h.jpg). (Thoracic horn elongate, broad, curved near base, toothed and with its plastron plate offset apically, surrounded by a clear rim. Abdominal armament of minute points arranged in short transverse slightly curved rows. Thorax smooth. 4 lateral taeniae on segment VII, 5 on VIII. Thorax comb of 9-13 strong teeth.)

Step 78. Tanypodinae 64 Larsia

77b. Respiratory atrium at most undulate, not diverticulated.

Step 79. Tanypodinae 65
Decision path