Key: Step 875. Orthocladiinae 286 Orthocladius

875a. Length of anal macrosetae/length of anal lobe 0.47-0.55 (male) and 0.55 (female); genital sheaths of male long (about 342µm), clearly surpassing apex of anal lobe (079d.jpg).
079-1.jpg species overview

Orthocladius holsatus

875b. Length of anal macrosetae/length of anal lobe 0.38 (male) and 0.43-0.47 (female); genital sheaths of male shorter (about 241µm), not clearly surpassing apex of anal lobe.

Orthocladius lunzensis
Decision path