Key: Step 243. Chironomini 140 Saetheria

243a. Without the combination of characters mentioned below.

Step 244. Chironomini 141

243b. Tergites II-V with a trapezoidal point patch, widest posteriorly (150q.jpg) (reduced on VI to a posterior transverse band), the points of the posterior 3 or 4 rows enlarged and overlapping. Segment VIII with 4 lateral taeniae and unarmed postero-laterally.

Saetheria pe1
Decision path