Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 23. Tanypodinae 9 Procladius

23a. Tergite IV with points arranged in obvious short transverse rows, which posteriorly in the segment are curved, producing a 'fish-scale' effect (007e.jpg). (Anal lobes Procladius-type (007c.jpg).)

Procladius choreus

23b. Tergite IV with points irregularly arranged, or, if tending to transverse rows, then not developed as scale shagreen (008e.jpg), or anal lobes Psilotanypus-type (008c.jpg).

Step 24. Tanypodinae 10 Procladius
Decision path