Key: Step 342. Chironomini 239 Microchironomus

342a. Abdominal sternite I with a single antero-lateral toothed hump on each side (111b.jpg). Antepronotum with a conspicuous dorsal mound bearing a taeniate seta (111d.jpg).
109-2.jpg species overview

Microchironomus tener

342b. Abdominal sternite I with a pair of antero-lateral toothed mounds on each side (111a.jpg). Antepronotum without a conspicuous dorsal mound.

Microchironomus lendli
Decision path