Key: Step 815. Orthocladiinae 227 Pseudorthocladius

815a. Tergites II-VIII at least partly covered with points (066b.jpg). (Anterior transverse tooth rows on segments II-VII. Crest well-developed, of strong teeth extending to the insertion of the anal macrosetae (066c.jpg).)
066-1.jpg species overview

Pseudorthocladius filiformis

815b. Tergites without armament between the anterior and posterior transverse bands (067i.jpg; 067j.jpg).
Note Or227 (067k.jpg)

Pseudorthocladius pe2
Decision path