Scatterbug

Scatterbug is a -type Pokémon which was first introduced in Generation VI.

Physiology
Scatterbug is a small, worm-like Pokémon. Its skin is black, except around its neck. It does not grow in size when evolved into a Spewpa.It has strong resemblance to Caterpie by body style.

Evolution
Scatterbug evolves first into Spewpa at level 9 and then into Vivillon at level 12.

Trivia
Scatterbug is the first Pokémon with a cocoon evolution not to increase in size when it evolves.

Etymology
Its name comes from "scatter" and "bug".