Joltik evolution line
Joltik evolves into Galvantula at level 36
Joltik's information Edit
Since it can’t generate its own electricity, it sticks onto large-bodied Pokémon and absorbs static electricity.They attach themselves to large-bodied Pokémon and absorb static electricity, which they store in an electric pouch.
Information from ORAS Pokedex Entrie