Key: Step 530. Diamesinae 6 Sympotthastia

530a. Anterior thoracic setation strong, e.g. longest precorneal seta over 250µm long.

Sympotthastia macrocera

530b. Anterior thoracic setation weaker, e.g. longest precorneal seta less than 200µm long.

Sympotthastia spinifera
Decision path