Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 861. Orthocladiinae 272 Orthocladius

861a. Apical setae of anal lobes short, less than half the lobe length (076d.jpg). Apical point band of tergite III extending about half as far laterally as the posterior band (076c.jpg).
076-1.jpg species overview

Orthocladius oblidens

861b. Apical setae of the anal lobes longer than half the anal lobe length. Apical point band of tergite III extending much further laterally, in most species equalling the width of the posterior band.

Step 862. Orthocladiinae 273 Orthocladius
Decision path