Illumise

Illumise is a Bug-type Pokémon from the Hoenn region. It doesn't evolve into nor from any other Pokémon and it is female counterpart of Volbeat.

Pokédex description
Firefly Pokémon

''Illumise attracts a swarm of Volbeat using a sweet fragrance. Once the Volbeat have gathered, this Pokémon leads the lit-up swarm in drawing geometric designs on the canvas of the night sky.''

Evolution family
Illumise is the part of a single-member family.

Trivia

 * Illumise was one of the twenty Pokémon released on February 9, 2018.