Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 733. Orthocladiinae 145

733a. Abdominal tergites (II)III-VIII with a posterior transverse row of teeth elevated on a ridge of cuticle, which may be broken medially.

Step 734. Orthocladiinae 146 Krenosmittia

733b. Abdominal tergites with or without a posterior transverse band of points.

Step 736. Orthocladiinae 148 Rheosmittia
Decision path