Three new species of Anasa Amyot and Serville (Heteroptera: Coreidae), Anasa byssoidecerus Brailovsky and Barrera from Peru and Anasa rapax Brailovsky and Barrera and Anasa onorei Brailovsky and Barrera from Ecuador, are described. Habitus illustrations and drawings of the pronotum, male genital capsule, and paramere are provided.