Phazaca is a genus of moths in the family Uraniidae first described by Walker in 1863.

Palpi upturned, reaching vertex of head.

Hindwings usually with the outer margin produced to points at veins 4 and 7, slightly developed in male.

Male with a fold on inner area containing a tuft of long hair, veins 1b and 2 being distorted.

This article relating to the superfamily Geometroidea is a stub.