Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 909. Orthocladiinae 320 Cricotopus

909a. Exuviae longer than 6.0mm. Points of tergites III and IV even sized (086c.jpg).
086-1.jpg species overview

Cricotopus speciosus

909b. If exuviae longer than 5.5mm, points of tergites III and IV medially larger, grading outwards (086l.jpg).

Step 910. Orthocladiinae 321 Cricotopus
Decision path