Key: Step 829. Orthocladiinae 240 Bryophaenocladius

829a. Dorsocentral setae very small, 20-30µm long. (3 precorneal setae, about 30µm long (070l.jpg). Parthenogenetic.)

Bryophaenocladius furcatus

829b. Dorsocentral setae larger, 45-70µm long. (Anal lobes widened posteriorly often appearing to have a laterally projecting truncate lobe. 3-4 (rarely 2) strong, thorn-like median antepronotal setae; 2 (rarely 3) thorn-like precorneal setae (070m.jpg).)

Bryophaenocladius muscicola
Decision path