Key: Step 820. Orthocladiinae 231 Stilocladius

820a. Tergites III-VIII armed with points which form an urn-shaped patch widest anteriorly, narrowing past the anterior adhesion marks towards setae D5, there expanding to the width of the tergite (fig. c); on VII and VIII greatly reduced in extent and size of points; apical point bands present on tergites III and IV (fig. a). Hook row and pedes spurii B II present. Thoracic horn elongate, weakly toothed (fig. b).
068-1.jpg species overview

Stilocladius montanus

820b. Without this combination of characters.

Step 821. Orthocladiinae 232
Decision path