Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 649. Orthocladiinae 61

649a. Tergites III-VIII without posterior swellings; tergites III-VI posteriorly without larger points. Pedes spurii B well developed.

Step 650. Orthocladiinae 62 Trissocladius

649b. Tergites II/III-V(VI) with a swelling posteriorly covered with strong points (040i.jpg). Pedes spurii B II absent. Postero-lateral corners of segment VIII may have a dark embedded spine.

Step 651. Orthocladiinae 63 Zalutschia
Decision path