Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 383. Tanytarsini 26 Paratanytarsus

383a. Tergite IV with a transversely broad oval, rounded point patch (often medially emarginate; very rarely paired as on tergite V) (131l.jpg). Thoracic horn longer than 250µm, with setae distally (131k.jpg).

Paratanytarsus austriacus

383b. Tergite IV anteriorly with point patch transverse, narrowing laterad or ribbon-like. Thoracic horn small, less than 100µm long.

Step 384. Tanytarsini 27 Paratanytarsus
Decision path