Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 373. Tanytarsini 16 Stempellinella

373a. The 2 point patches of tergite II together forming a trapezoidal area extending to seta D1 or nearly that far. (3 lateral taeniae on segment VIII. Lateral borders of segment VIII brown.)

Stempellinella flavidula

373b. Armament of tergite II hardly, if at all reaching beyond seta D3 (occasionally in Stempellinella brevis some points are present at level D1, but there is a transverse points-free gap between them and the posterior point patches).

Step 374. Tanytarsini 17 Stempellinella
Decision path