Gendercide

Gendercide is the systematic elimination of a specific gender within a certain group of people for various reasons that the person or persons committing this act deem justifiable.

Empath: The Luckiest Smurf stories
In the EMPATH: The Luckiest Smurf story series, the Smurfs themselves encounter groups of beings that commit gendercide on a specific gender, which certain Smurfs find particularly appalling and heinous.