Key: Step 406. Tanytarsini 49 Rheotanytarsus

406a. Thoracic horn without long setae medially.

Step 407. Tanytarsini 49a Rheotanytarsus

406b. Thoracic horn with middle third or quarter bearing a fringe of setae as long as the horn is wide (150p.jpg).

Rheotanytarsus pe4
Decision path