Chironomidae Exuviae: Dichotomous key: step 158: "Chironomini 55 Chironomus"

Key: Step 158. Chironomini 55 Chironomus

158a. Cephalic tubercles large, usually well over 150µm long. Lateral taeniae of segments V-VIII, 4,4,4,5. Pleura IV armed.

Chironomus nuditarsis

158b. Cephalic tubercles usually smaller. Lateral taeniae of segments V-VIII, 3,4,4,4. Pleura IV unarmed.

Chironomus coaetaneus

Decision path