Key: Step 537. Diamesinae 13

537a. Abdominal segments II-VIII postero-laterally with a small projecting spur, progressively larger on succeeding segments (027-2.jpg). (Anal lobes apically with a strong triangular tooth (027g.jpg). Posterior points of abdominal tergites greatly enlarged to form a transverse row of teeth; sternites without a posterior tooth row.)

Step 538. Diamesinae 14 Pseudokiefferiella

537b. Abdominal segments without postero-lateral spurs.

Step 539. Diamesinae 15
Decision path