Argia rosseri sp. nov. from central Bolivia (Odonata: Coenagrionidae)


Argia rosseri sp. nov. is described from central Bolivia. Holotype ♂: Santa Cruz Department, Florida Province, seep along Rio Achira, 8.6 km E of Samaipata (18°09′42″S, 63°48′53″W), 1,400 m a.s.l., 25 xi 1999; allotype ♀: same locality, 05 xi 1998; both leg. K.J. Tennessen. The new species appears to be related to the A. gerhardilnigrior complex, but differs in being mostly pale and having the decumbent ventral tooth of the male cerci apically situated.

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