Key: Step 904. Orthocladiinae 315 Cricotopus

904a. Thoracic horn smooth, long (215-480µm). Pedes spurii B II conspicuous.

Step 905. Orthocladiinae 316 Cricotopus

904b. Thoracic horn less than 260µm long; if it exceeds 200µm, then pedes spurii B absent or very vaguely indicated.

Step 906. Orthocladiinae 317 Cricotopus
Decision path