Key: Step 528. Diamesinae 4

528a. Anal lobes in addition to the 3 long apical macrosetae with a fringe of short hair-like setae (026c.jpg). Most of the lateral setae of the abdominal segments branched. Thoracic horn absent.

Step 529. Diamesinae 5 Sympotthastia

528b. Without this combination of characters.

Step 531. Diamesinae 7
Decision path