Key: Step 355. Chironomini 252 Cryptochironomus

355a. Cephalic tubercles generally shorter (less than 270µm), strongly hooked apically. Granulation of antepronotum indistinct, fused to form contorted ridges (149j.jpg).

Cryptochironomus albofasciatus

355b. Cephalic tubercles generally longer (greater than 270µm), usually gently curved to apex (113b.jpg). Granulation of antepronotum mostly distinct (149k.jpg).
113-1.jpg species overview

Cryptochironomus supplicans
Decision path