Key: Step 831. Orthocladiinae 242 Bryophaenocladius

831a. Usually 3 precorneal setae, 2 long and 1 short, occasionally (?) the small 3rd seta is missing (070h.jpg). Anal lobes gently rounded to apex (070j.jpg).

Bryophaenocladius tuberculatus

831b. 2 long precorneal setae only. Anal lobes flared out somewhat laterally, producing a more angled outline.

Bryophaenocladius nidorum
Decision path