Chironomidae Exuviae: Dichotomous key: step 1: "Couplet 1 to Subfamilies"

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