Key: Step 176. Chironomini 73 Chironomus

176a. Sternites III and IV with an anterior transverse band of fine shagreen broken medially. (Sternite II with a gap posteriorly between the lateral longitudinal bands and the median patch. Thorax reticulate.)

Chironomus pe30

176b. Sternites III and IV otherwise.

Step 177. Chironomini 74 Chironomus
Decision path