Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 653. Orthocladiinae 65 Zalutschia

653a. Abdominal segments VI-VIII each with a postero-lateral embedded spine. Frontal setae very small, less than 70µm long. (Pedes spurii A present on segments IV-VI.)

Zalutschia spec-a

653b. Embedded spines restricted to segments VII and VIII. Frontal setae longer.

Step 654. Orthocladiinae 66 Zalutschia
Decision path