Diphlebia lestoides is a species of Australian damselfly in the family Lestoideidae, commonly known as a whitewater rockmaster. It is endemic to south-eastern Australia, where it inhabits streams and rivers.
Diphlebia lestoides is a large, solid-looking damselfly; the male is a blue to grey colour with black markings, while the female has a more muted colouring. It sits with its white marked wings spread out.
Etymology The genus name Diphlebia is derived from the Greek δίς (dis, "twice" or "double") and φλέψ (phleps, "vein"), likely referring to distinctive wing venation.
The species name lestoides combines Lestes, a genus name derived from the Greek λῃστής (lēstēs, "robber"), with the suffix -ώδης (-ōdēs, "resembling"), referring to its resemblance to Lestes.
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See also List of Odonata species of Australia
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