Key: Step 349. Chironomini 246 Cryptochironomus

349a. Reticulation of abdominal tergites thick-walled (e.g. 113k.jpg).

Cryptochironomus rostratus

349b. Reticulation of abdominal tergites and sternites thin-walled.

Step 350. Chironomini 247 Cryptochironomus
Decision path