Idiataphe
Idiataphe is a genus of dragonflies in the family Libellulidae. The species are medium-sized,  long. They occur from northeastern Argentina, through Brazil and the Antilles to Florida. The genus contains the following species:
Idiataphe amazonica 
Idiataphe batesi 
Idiataphe cubensis  – metallic pennant
Idiataphe longipes

References

Libellulidae
Anisoptera genera