Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 810. Orthocladiinae 222 Thalassosmittia

810a. Apical hook rows present on sternites IV/V-VII, absent on VIII (071g.jpg).
071-2.jpg species overview

Thalassosmittia thalassophila

810b. Apical hook rows present on sternites V-VIII.

Thalassosmittia atlantica
Decision path