Key: Step 818. Orthocladiinae 230 Parorthocladius

818a. Tergites III-VIII extensively covered with small points which are a little larger posteriorly on each segment; hook row II and apical bands absent (068f.jpg). (Note Or230) Thorax with some strong points near suture. Thoracic horn small, thin-walled, generally invisible. Pedes spurii B absent. 2 or 3 well-developed anal macrosetae present (068g.jpg).

Parorthocladius nudipennis

818b. Without this combination of characters.

Step 819. Orthocladiinae 230a Paratrichocladius
Decision path