Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 31. Tanypodinae 17

31a. Anal lobes fringed externally only (but may be toothed internally). Conjunctives II/III-VI/VII shagreened.

Step 32. Tanypodinae 18 Macropelopia

31b. Anal lobes fringed externally and internally. Conjunctives not shagreened.

Step 38. Tanypodinae 24 Apsectrotanypus
Decision path