Key: Step 640. Orthocladiinae 52 Hydrobaenus

640a. Apical bands present on tergites II-IV, that on II ('hook row II') as broad as the tergite armament. 041-1.jpg species overview

Hydrobaenus distylus

640b. Apical bands of anteriorly directed points or hooks present on tergites II-V, that on II restricted to a short oval patch medially.

Hydrobaenus n-spec
Decision path