Idiataphe is a genus of dragonflies in the family Libellulidae. The species are medium-sized, 34–42 millimetres (1.3–1.7 in) long. They occur from northeastern Argentina, through Brazil and the Antilles to Florida.

The genus contains the following species:

• Idiataphe amazonica (Kirby, 1889)
• Idiataphe batesi (Ris, 1913)
• Idiataphe cubensis (Scudder, 1866) – metallic pennant
• Idiataphe longipes (Hagen, 1861)

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