Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 434. Tanytarsini 75a Tanytarsus

434a. If thoracic horn less than ten times as long as broad, then not broadest at base.

Step 435. Tanytarsini 76 Tanytarsus

434b. Thoracic horn broad basally, less than ten times as long as broad, armed with small spinules or points (138a.jpg). (Thorax antero-laterally armed with strong points. Frontal apotome and cephalic tubercles granulate.)

Tanytarsus anderseni
Decision path