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Male pedipalp with broadly truncated tibial apophysis; embolus with broad tip; palpal tibia dorsal pilose, length vs. breadth slightly over 1 (nearly not elongate).
Epigyne with 2 distinctly bordered grooves.
Argenna subnigra (O. Pickard-Cambridge, 1861)
Male pedipalp with distally strongly broadened tibial apophysis; embolus with stepped tip. Palpal tibia dorsal pubescent, length vs. breadth clearly >1 (distinctly elongate).
Epigyne difficult to recognise.
Argenna patula (Simon, 1874)