Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 1. Couplet 1 to Subfamilies

1a. Hook row II absent.

Step 2. Couplet 2 to Subfamilies

1b. Hook row II present.
Fig.3a.jpg

Step 101. Couplet 7 to Subfamilies
Decision path