Key: Step 452. Tanytarsini 93 Tanytarsus

452a. Tergite IV with the spines longer in the posterior half of the longitudinal bands, or, rarely, composed of points only (139i.jpg).

Tanytarsus buchonius

452b. Tergite IV with spines in anterior half as long as those posteriorly (140g.jpg).

Tanytarsus pe14
Decision path