Key: Step 648. Orthocladiinae 60

648a. Tergites II/III-VIII extensively shagreened; (II)III-V(-VIII) with conspicuous points posteriorly. Most species have an embedded dark spine in the postero-lateral corner of segment VIII.

Step 649. Orthocladiinae 61

648b. Tergites III-VIII with restricted shagreen, at least on VII and VIII, with conspicuous large points medially and/or posteriorly. Never with a dark embedded spine in the postero-lateral corner of segment VIII.

Step 656. Orthocladiinae 68
Decision path