Euplexia is a genus of moths of the family Noctuidae described by Stephens in 1829.

Its eyes are naked with or without eyelashes.

Palpi upturned, second joint not reaching vertex of head and fringed with hair.

Thorax with a slight tuft of outspreading hair behind the collar and paired tufts on metathorax.

Abdomen with dorsal tufts on proximal segments and tibia spineless.