Key: Step 855. Orthocladiinae 266 Orthocladius

855a. Tergites without point patches (or possessing a small circular point patch only).

Step 856. Orthocladiinae 267 Orthocladius

855b. Tergites IV-VI with a distinct median point patch (150i.jpg).

(Subgenus Symposiocladius)

Orthocladius sym-pe1
Decision path