Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 402. Tanytarsini 45 Rheotanytarsus

402a. Tergites II-V with the shagreen next to the point patches extending over and beyond the 1st dorsal seta (134g.jpg).

Rheotanytarsus muscicola

402b. Tergites II-V with the shagreen next to the point patches extending at most (on V) to the base of the 1st dorsal seta, never beyond it (134e.jpg).

Rheotanytarsus photophilus
Decision path