Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 254. Chironomini 151 Parachironomus

254a. Cephalic tubercles longer (over 40µm long). Sternite II with anterior and posterior spine bands of dense long spines, bare between (112g.jpg).

Parachironomus pe2

254b. Cephalic tubercles very short (less than 30µm long). Sternite II with anterior and posterior spine bands weakly developed and more or less joined by a field of points.

Parachironomus pe2a
Decision path