Key: Step 491. Tanytarsini 132 Tanytarsus

491a. Anal lobes with 18-24 taeniae. Armament of tergite IV usually with long spines.

Tanytarsus pseudolestagi

491b. Anal lobes with 25-35 taeniae (145h.jpg). Armament of tergite IV usually of points only (145g.jpg).

Tanytarsus longitarsis
Decision path