Key: Step 330. Chironomini 227 Polypedilum

330a. Thoracic suture without distinct points.

Step 331. Chironomini 228 Polypedilum

330b. Thoracic suture with a band of well formed points from antepronotum to scutal hump. (Pedes spurii B on segment II large.)

Polypedilum apfelbecki
Decision path