Key: Step 622. Orthocladiinae 34

622a. Sternite VIII of male armed with a posterior transverse row or band of conspicuous points which may be medially interrupted; of female, either with a row of similar points on a pair of projecting flaps, or with a pair of triangular projections each stiffened with an embedded spine (039h.jpg; 064d.jpg).

Step 623. Orthocladiinae 35

622b. Sternite VIII not as above.

Step 631. Orthocladiinae 43
Decision path