Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 577. Diamesinae 53 Diamesa

577a. Segment VIII very short: about 3.5 times as broad as long, less than 2/3rds the length of the anal lobes; segment VII 1.5 times or more the length of segment VIII (032b.jpg).
Note Di53.

Diamesa hamaticornis

577b. Segment VIII not so short, 3 times or less as broad as long; segment VII less than 1.5 times the length of segment VIII.

Step 578. Diamesinae 54 Diamesa
Decision path