Key: Step 374. Tanytarsini 17 Stempellinella

374a. 4 Lateral taeniae on segment VIII. Lateral borders of segment VIII only partly darkened.
128-2.jpg species overview

Stempellinella minor

374b. 3, or rarely 2, lateral taeniae on segment VIII. Lateral borders of segment VIII completely darkened.

Stempellinella brevis
Decision path