Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 669. Orthocladiinae 81 Nanocladius

669a. Anal lobe fringe with 39-50+ taeniae. Thoracic horn usually with long apiculate teeth towards and at apex (150f.jpg). Median point patch on tergite IV rarely absent.

Nanocladius distinctus

669b. Anal lobe fringe with 22-34 taeniae. Thoracic horn usually short toothed towards and at apex (044e.jpg). Median point patch of tergite IV frequently absent.

Nanocladius bicolor
Decision path