Key: Step 468. Tanytarsini 109 Tanytarsus

468a. Thorax extensively granulate. Frontal setae shorter than the length of the cephalic tubercles, which are long and conical.

Tanytarsus gracilentus

468b. Thoracic granulation restricted to sutural margins. Frontal setae longer than the cephalic tubercles, which have a narrow, cylindrical apex (142b.jpg).

Tanytarsus sinuatus
Decision path