Key: Step 800. Orthocladiinae 212 Synorthocladius

800a. Anal lobes distally truncated with 1 strong, straight spinous apical seta and the other 2 external to it progressively reduced in size, and with 2-6 additional teeth apico-laterally (063c.jpg). Note Or212 (063b.jpg)
063-1.jpg species overview

Synorthocladius semivirens

800b. Anal lobes and apical setae not as above.

Step 801. Orthocladiinae 213 Parametriocnemus
Decision path