Key: Step 168. Chironomini 65 Chironomus

168a. Thorax densely small granulate to the level of the anterior edge of the wing sheath. (Shagreen of sternite II with a definite gap posteriorly between the lateral longitudinal bands and the median patch; if the shagreen is complete posteriorly, go to Page 184: Chironomini 81 Chironomus)

Chironomus (s.str.) dorsalis sensu Strenzke.

Chironomus dorsalis

168b. Thoracic granulation strong anteriorly, elsewhere reduced to reticulate markings or absent.

Step 169. Chironomini 66 Chironomus
Decision path