22
it evolves at level 22
Spinarak evolves at level 22 in to an ariados.
Spinarak evolves into Ariados at level 22.
In Pokemon HeartGold and SoulSilver, Spinarak evolves into Ariados at level 22.
In Pokémon Gold, Spinarak will evolve into Ariados starting at Level 22.
Ariados doesn't evolve. It's the final evolution of Spinarak.
you have to trade it to evolve.
Spinarak evolves into Ariados at Level 22.
In Pokémon LeafGreen, Magnemite will evolve into Magneton at Level 30.
Level 31.
Level 38.
level 28