Key: Step 787. Orthocladiinae 199 Metriocnemus

787a. Anal macrosetae about 1/12th the length of the anal lobes. Flattened teeth of the posterior transverse rows mostly radially pleated.

Metriocnemus albolineatus

787b. Apical setae about 1/7th the length of the anal lobes. Flattened teeth of the posterior transverse rows without pleating.

Metriocnemus ursinus
Decision path