Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 603. Orthocladiinae 15 Corynoneura

603a. Sternite I with similar sized evenly distributed spinules, covering the sternite (they may be smaller than the spinules on sternite II) (036f.jpg).

Corynoneura edwardsi

603b. If sternite I with colourless spinules, then they are EITHER restricted to antero-lateral patches, OR when evenly distributed, the antero-lateral spinules are conspicuously larger than those between.

Step 604. Orthocladiinae 16 Corynoneura
Decision path