Key: Step 465. Tanytarsini 106 Tanytarsus

465a. Thoracic horn without spinules or with scattered peg-like spinules over the middle half. (Comb of segment VIII with similar marginal teeth.)

Tanytarsus excavatus

465b. Thoracic horn densely spinulate for the apical 2/3rds.

Step 466. Tanytarsini 107 Tanytarsus
Decision path