Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 600. Orthocladiinae 12 Thienemanniella

600a. Tergites III-VIII armed with points, small on III, larger on IV, thereafter V-VIII much the same size as, or larger than, on IV (035-1.jpg, fig. a).

Step 601. Orthocladiinae 13 Thienemanniella

600b. Tergite III armed with small points, IV and V with stronger points, and VI to VIII with small spinulate points, progressively smaller on succeeding segments: on VIII arranged in short transverse or diagonal rows.

Thienemanniella pe2b
Decision path