Key: Step 773. Orthocladiinae 185

773a. Sternites II and III armed with strong spines anteriorly (060g.jpg). (Thoracic horn elongate, pointed at tip and toothed.)

Step 774. Orthocladiinae 186 Heleniella

773b. Sternites II and III without spines anteriorly.

Step 776. Orthocladiinae 188
Decision path