Key: Step 130. Chironomini 27 Demicryptochironomus

130a. Sternite VIII antero-laterally with a patch of short, sturdy points (098f.jpg). Cephalic tubercles short, tending to be pushed into themselves in mounts (098e.jpg).

Demicryptochironomus pe1

130b. Sternite VIII antero-laterally without armament or with sharp shagreen points. Cephalic tubercles, large and curved (097f.jpg).
097-2.jpg species overview

Demicryptochironomus vulneratus
Decision path