Key: Step 126. Chironomini 23 Xenochironomus

126a. Tergites II-V(VI) with small points arranged as an anterior and posterior transverse band joined by a median longitudinal band of smaller points, the lateral median space filled with scattered, strong, dark points set on small dark grey patches which coalesce to form an irregular pattern on a transparent background (096l.jpg). 096-2.jpg species overview

Xenochironomus xenolabis

126b. Armament of tergites II-VI not of this characteristic form.

Step 127. Chironomini 24 Kiefferulus
Decision path