Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 353. Chironomini 250 Cryptochironomus

353a. Large exuviae (over 7.5mm long) with long cephalic tubercles (over 150µm long).

Step 354. Chironomini 251 Cryptochironomus

353b. Small exuviae (less than 7.5mm long) with short cephalic tubercles (100µm or less) (113n.jpg). (Posterior transverse tooth rows present on sternites III-VIII, the teeth small on III-IV(V), much stronger on VI and VII.)

Cryptochironomus pe2
Decision path