Bug

Bug Type
The Bug type is one of the eighteen Pokémon elemental types.

It is super effective against Dark, Grass and Psychic.

It is not very effective against Fairy, Fire, Fighting, Flying, Ghost, Poison and Steel.

It is weak to.

Gen I (Kanto)
 category = Pokémon category = Bug allowcachedresults = true 

Gen II (Johto)

 * Ledyba
 * Ledian
 * Spinarak
 * Ariados
 * Pineco
 * Forrtress
 * Scizor
 * Shuckle
 * Heracross