Key: Step 790. Orthocladiinae 202 Chaetocladius

790a. Points of apical bands as large as those in mid-tergite on segments III-V. (Tergite I unarmed, or with a small patch of points postero-laterally, and/or antero-laterally.)

Chaetocladius Pe1 Langton 1984

Step 791. Orthocladiinae 203 Chaetocladius

790b. Points of apical bands smaller than those in mid-tergite on segments III-VI. (Tergite I armed at least antero-laterally.)

Chaetocladius Pe2 Langton 1984

Step 794. Orthocladiinae 206 Chaetocladius
Decision path